Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
hoc chieu » hoc thieu, ho chieu, hoc hien
tranh cua » doanh cua, manh cua
hang cong » dang cong, hang nong, bang cong
tang cua » mang cua, hang cua, tang luan
cong tac » cong ty
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: hoc chieu sach - hanh ((tang cua) or (tranh cua)) hang cong tac ((than cau) or (phan tu))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chieu sach - hanh ((tang cua) OR (tranh cua)) hang cong tac ((than cau) OR (phan tu)).
• Adding a wildcard symbol may retrieve word variants: hoc chieu sach - hanh ((tang cua) or (tranh cua)) hang cong tac ((than cau) or (phan tu))*.