Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
hoc chieu » hoc thieu, hoc hien, hoc dieu
ho chieu » theo chieu, hoc thieu, doi chieu
luong va » dung va
cong tac » cong ty
tac than » tac thanh, tam than, tac nhan
than cau » toan cau, phan cau, than cap
cong va » dong va, cong ha, cong san

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

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