Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
mot chieu » doi chieu, ho chieu
thanh ban » thanh san, thanh van, thanh bac
sua nhung » cua nhung, qua nhung, chua 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
ban sua » ban cua, ban quan

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((mot chieu) or (toc thieu)) sach - thanh ban sua nhung cong tan toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((mot chieu) OR (toc thieu)) sach - thanh ban sua nhung cong tan toan cau.
• Adding a wildcard symbol may retrieve word variants: ((mot chieu) or (toc thieu)) sach - thanh ban sua nhung cong tan toan cau*.