Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
hanh trung » thanh trung, hanh trang, manh trung
trung dam » trung tam, trung dai, trong dam
dung nang » dun nang, dung quang, dung thang
dung dang » dung dan, dung dong, dung danh
thanh cap » thanh lap, hanh cap, than cap
ho chieu » theo chieu, hoc thieu, mot chieu
dam cong » dai cong, dam dong, dang cong
phan lap » phan dau

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho chieu sach - hanh trung dam cong ((dung nang) or (dung dang)) ((thanh cap) or (phan lap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - hanh trung dam cong ((dung nang) OR (dung dang)) ((thanh cap) OR (phan lap)).
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - hanh trung dam cong ((dung nang) or (dung dang)) ((thanh cap) or (phan lap))*.