Perhaps you should try some spelling variations:
thanh thuong » thanh huong, thanh chuong, thanh phuong
chieu sang » chieu sach, chieu xanh, hieu lang
thanh tung » thanh cong
doi chieu » doc hieu, doi chi, ho chieu
cong tan » cong tac, cong san, cong thanh
tan than » tan thanh, tan tran, ban than
than cau » toan cau, phan cau, than cap
va hang » van hang, va lang, va hanh
va nang » van nang, da nang, cam nang

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi chieu sang - ((thanh thuong) or (thanh tung)) ((va hang) or (va nang)) cong tan than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu sang - ((thanh thuong) OR (thanh tung)) ((va hang) OR (va nang)) cong tan than cau.
• Adding a wildcard symbol may retrieve word variants: doi chieu sang - ((thanh thuong) or (thanh tung)) ((va hang) or (va nang)) cong tan than cau*.