Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
hoang thao » hoang thai, hoang hao, hoang thanh
chau tinh » cuu tinh, ha tinh, cua tinh
dang cong » dung cong
thao lua » thao cua, thao lu, thai luan
lua dang » cua dang, lua sang, luan nang
cong tac » cong ty
tac phi » tac thi, tac phu, tac pham
phi phi » chi phi, phi thi, thi phi

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi ((chieu sach) or (chau tinh)) - hoang thao lua dang cong tac phi phi~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((chieu sach) OR (chau tinh)) - hoang thao lua dang cong tac phi phi.
• Adding a wildcard symbol may retrieve word variants: doi ((chieu sach) or (chau tinh)) - hoang thao lua dang cong tac phi phi*.