Perhaps you should try some spelling variations:
chiet tach » chieu sach
tang quan » tang luan, tong quan, thong quan
nang quan » ban quan, nang suat
dong cong » duong cong, dang cong, cong cong
dung cong » dung trong
ho chiet » ho chieu, ho thiet, hoc thiet
san hanh » san thanh, ban hanh, van hanh
hanh cac » hang cac, hanh cat, nhanh cay

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho chiet tach - hanh ((tang quan) or (nang quan)) ((dong cong) or (dung cong)) san hanh cac~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chiet tach - hanh ((tang quan) OR (nang quan)) ((dong cong) OR (dung cong)) san hanh cac.
• Adding a wildcard symbol may retrieve word variants: ho chiet tach - hanh ((tang quan) or (nang quan)) ((dong cong) or (dung cong)) san hanh cac*.