Perhaps you should try some spelling variations:
thanh trung » thanh tung
nhung cong » dung cong, thong cong, hang cong
manh tung » manh hung, thanh tung
chu tinh » chau tinh, chua tinh, cuu tinh
ve nhung » va nhung, tu nhung
cong tan » cong tac, cong san, cong thanh
tan toan » tan tran, tap toan, van toan
toan cau » toan cao, toan ban, toan tap
hoi chu » hoi chuc

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoi chu tinh - ((thanh trung) or (manh tung)) ve nhung cong tan toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoi chu tinh - ((thanh trung) OR (manh tung)) ve nhung cong tan toan cau*.