Perhaps you should try some spelling variations:
thanh trung » thanh tung
chieu sach » chinh sach, chiet tach, chieu sang
nhung cong » dung cong, thong cong, hang cong
doanh phan » doanh nhan, doan phan, doanh thanh
trung cap » truong cao, trung tam
ho chieu » theo chieu, hoc thieu, doi chieu
dan phan » doan phan, dan chan, van phan

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 - thanh trung cap ((nhung cong) or (dung trong)) ((dan phan) or (doanh phan)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - thanh trung cap ((nhung cong) OR (dung trong)) ((dan phan) OR (doanh phan)) cau.
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - thanh trung cap ((nhung cong) or (dung trong)) ((dan phan) or (doanh phan)) cau*.