Perhaps you should try some spelling variations:
thanh trung » thanh tung
chieu sach » chinh sach, chiet tach, chieu sang
trung gap » trung cap, trung gay, trung lap
gap trong » ap trong, gay trong, lap trong
thanh bac » nhanh bac, thanh bai, thanh san
ho chieu » theo chieu, hoc thieu, doi chieu
cong ban » cong bang, cong san, cong tan
thanh ca » thanh cha, thanh cac, thanh ha

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 gap trong cong ban ((thanh bac) or (thanh ca))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - thanh trung gap trong cong ban ((thanh bac) OR (thanh ca)).
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - thanh trung gap trong cong ban ((thanh bac) or (thanh ca))*.