http://hkmdb.com/db/movies/view.mhtml?id=5793
http://hkmdb.com/db/movies/view.mhtml?id=16995
These two titles are actually the same film. There isn't much work to do, just moving the image and titles to the earlier page.

If nobody stops me in 15 days I will merge them.

Great! Need some new-comer to find that after years - Thank You for input and fresh wind

Merged

????? (1977)
That Girl from Wanchai
Origin: Hong Kong

Cast
Meg Lam Kin-Ming
Tang Ching (1)
David Lo Dai-Wai
Chiang Tao
Pak Sha-Lik

and

????? (1977)
Prostitute Loves Police
Origin: Hong Kong
Genre: Comedy
Release Date: 05/26/1977

Director
Tony Lou Chun-Ku


Script
Sze-To On

Action Director
Chan Lau (2)


Producer
Law Ga-Foo (2)



Cast
Meg Lam Kin-Ming
David Lo Dai-Wai
Tang Ching (1)
Chiang Tao
Pak Sha-Lik
Cheng Kei-Ying
Wong Kwok-Leung (2)
Chan Mei-Ling (3)
Wong Hei-Wan (2) ... Triad elder
Chan Lau (2)
Cho Kin (2) ... Policeman
Ching Si (2)
Lei Lei (6)
Chiu Sau-Lin
Hon Kwong-Chau
Lam Wai (3)
Gam Chung
Mang Ding-Goh
Lau Chun (1)
Unknown SB-Actor(05) ... Triad elder
Unknown SB-Actor(22)
Unknown SB-Actor(53) ... Triad elder
Wan Ling-Kwong ... Policeman
Cheung Sek-Aau
Mai Kei

Production Company
Jia's Motion Picture (H.K.) Co.

Cinematographer
Ko Hei

Production Manager
Lee Yuk-Hing

Sound Recordist
Chang Hua

Editor
Vincent Leung Wing-Chan

Script Supervisor
Kong Oh-Oi

Lighting
Fung Liu

Makeup
Mok Wai-Hong

Assistant Director
Cho Kin (2)

Composer
Frankie Chan Fan-Kei (1)

Filming Location
Hong Kong