Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
hieu manh » chieu xanh, hieu nganh, dieu hanh
hang cong » dang cong, hang nong, bang cong
trung va » truong va, trang va, trung ha
cong tan » cong tac, cong san, cong thanh
tan tan » tan tran, tran tan, tang tan
tan cau » toan cau, van cau, tan ca

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho ((hieu manh) or (chieu sach)) - thanh ((trung va) or (hang va)) hang cong tan tan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((hieu manh) OR (chieu sach)) - thanh ((trung va) OR (hang va)) hang cong tan tan cau.
• Adding a wildcard symbol may retrieve word variants: ho ((hieu manh) or (chieu sach)) - thanh ((trung va) or (hang va)) hang cong tan tan cau*.