Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
chieu sach » chinh sach, chiet tach, chieu sang
hieu manh » chieu xanh, hieu nganh, dieu hanh
chu xanh » chu manh, chieu xanh, chua xang
hanh ban » thanh ban, hang ban, hanh san
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.

• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chu xanh) OR (((hieu manh) OR (chieu sach)))) - hanh ban va nhung cong tan toan cau~.
• Adding a wildcard symbol may retrieve word variants: theo ((chu xanh) or (((hieu manh) or (chieu sach)))) - hanh ban va nhung cong tan toan cau*.