Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
nhung cong » dung cong, thong cong, hang cong
toc chieu » toc thieu, doc hieu, hoc thieu
tranh cua » manh cua
doanh cua » doanh luan
cong tac » cong ty
tac than » tac thanh, tam than, tac nhan
than cau » toan cau, phan cau, than cap

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc chieu sach - canh ((tranh cua) OR (doanh cua)) nhung cong tac than cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "toc chieu sach - canh ((tranh cua) OR (doanh cua)) nhung cong tac than cau".
• Adding a wildcard symbol may retrieve word variants: toc chieu sach - canh ((tranh cua) OR (doanh cua)) nhung cong tac than cau*.