Perhaps you should try some spelling variations:
thanh trong » thanh trung, tranh trong, hanh trong
nhiet nang » nhiet dong, viet nang, thien nang
nhieu tang » chieu sang, hieu lang
thong cong » trong cong, tong cong, thong thong
trong van » trong cac
van thong » van thuong, van phong, va thong
cong tan » cong tac, cong san, cong thanh
tan toan » tan tran, tap toan, van toan
toan cau » toan cao, toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: thien ((nhiet nang) or (nhieu tang)) - thanh trong van thong cong tan toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thien ((nhiet nang) OR (nhieu tang)) - thanh trong van thong cong tan toan cau*.