Perhaps you should try some spelling variations:
hai chieu » giai chieu, nhat chieu, pham chieu
canh manh » lanh manh, canh tranh, cach mang
hoi hieu » hoi phieu, hoi tieu, moi hieu
cua dung » cua dong, qua dung, cua rung
cua dang » cua cong, cua ban
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: ((hai chieu) or (hoi hieu)) lang - canh manh ((cua dung) or (cua dang)) cong tan toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hai chieu) OR (hoi hieu)) lang - canh manh ((cua dung) OR (cua dang)) cong tan toan cau.
• Adding a wildcard symbol may retrieve word variants: ((hai chieu) or (hoi hieu)) lang - canh manh ((cua dung) or (cua dang)) cong tan toan cau*.