Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
hieu manh » chieu xanh, hieu nganh, dieu hanh
muong cua » huong cua, luong cua, duong cua
dang cong » dung cong
cong cua » cong cu, dong cua, huong cua
cong tan » cong tac, cong san, cong thanh
tan toan » tan tran, tap toan, van toan
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: theo ((hieu manh) or (chieu sach)) - hang ((cong cua) or (muong cua)) dang cong tan toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((hieu manh) OR (chieu sach)) - hang ((cong cua) OR (muong cua)) dang cong tan toan cao.
• Adding a wildcard symbol may retrieve word variants: theo ((hieu manh) or (chieu sach)) - hang ((cong cua) or (muong cua)) dang cong tan toan cao*.