Perhaps you should try some spelling variations:
canh trinh » canh tranh, hanh trinh, canh tinh
chau tinh » ha tinh, cua tinh, cac tinh
trinh tuc » trinh thuc, trinh tu, trinh duc
trong sat » trong san, trong dat, trong sam
tuc dung » thuc dung, tac dung, duc dung
sat phan » sat nhan, vat phan, xuat phan
phan dau » phan tu, hang dau

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: a ((chau tinh) or (cuu tinh)) - canh trinh tuc dung trong sat phan dau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: a ((chau tinh) OR (cuu tinh)) - canh trinh tuc dung trong sat phan dau.
• Adding a wildcard symbol may retrieve word variants: a ((chau tinh) or (cuu tinh)) - canh trinh tuc dung trong sat phan dau*.