Perhaps you should try some spelling variations:
chiet tach » chieu sach
chieu tinh » trieu tinh, lieu tinh, chau tinh
hanh dung » thanh dung, anh dung, hanh dong
dung cong » dung trong
dung cua » dung luan, dung cho
cua dung » cua dang, cua dong, qua dung
cong san » cong tac
pham tu » phan tu, pham thi, pham tai

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) or (chieu tinh)) - hanh dung cua dung cong san pham tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chiet tach) OR (chieu tinh)) - hanh dung cua dung cong san pham tu.
• Adding a wildcard symbol may retrieve word variants: ho ((chiet tach) or (chieu tinh)) - hanh dung cua dung cong san pham tu*.