Perhaps you should try some spelling variations:
chau tinh » cuu tinh, ha tinh, cua tinh
tranh van » tran van, trinh van, thanh van
hang cong » dang cong, hang nong, bang cong
tranh va » trang va, trinh va, thanh va
cong tac » cong ty
phan dau » phan tu, hang dau
phan cac » nhan cach, phan lap, phan van
3 chau » a chau, o chau

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

• Performing a fuzzy search may retrieve terms with similar spellings: 3 chau tinh - canh ((tranh va) or (tranh van)) hang cong tac ((phan dau) or (phan cac))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: 3 chau tinh - canh ((tranh va) OR (tranh van)) hang cong tac ((phan dau) OR (phan cac)).
• Adding a wildcard symbol may retrieve word variants: 3 chau tinh - canh ((tranh va) or (tranh van)) hang cong tac ((phan dau) or (phan cac))*.