Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
cong thanh » dong thanh, cong trinh, truong thanh
trinh sat » trinh san, trinh sau, trinh sai
tran chau » tranh chap, tran huu
sat dung » suat dung, vat dung, dat dung
cong tan » cong tac, cong ty, cong ha
cong san » cong tac
doi chi » doi khi
chi anh » chi danh, chi hanh, thi anh

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi chi anh - hanh trinh sat dung ((((cong tan) or (cong san))) or (cong thanh)) tran chau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chi anh - hanh trinh sat dung ((((cong tan) OR (cong san))) OR (cong thanh)) tran chau.
• Adding a wildcard symbol may retrieve word variants: doi chi anh - hanh trinh sat dung ((((cong tan) or (cong san))) or (cong thanh)) tran chau*.