Perhaps you should try some spelling variations:
thanh duong » thanh huong, thanh cuong, thanh vuong
chieu sach » chinh sach, chiet tach, chieu sang
thanh dung » thanh tung, thanh hung, hanh dung
cong thanh » dong thanh, cong trinh, truong thanh
ho chieu » theo chieu, hoc thieu, doi chieu
cua tong » cua cong, cua dong, cua nong
cong tan » cong tac, cong san, cong ty
tran van » luan van

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 dung) OR (thanh duong)) cua tong ((cong tan) or (cong thanh)) tran van~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - ((thanh dung) OR (thanh duong)) cua tong ((cong tan) OR (cong thanh)) tran van.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu sach - ((thanh dung) OR (thanh duong)) cua tong ((cong tan) or (cong thanh)) tran van".
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - ((thanh dung) OR (thanh duong)) cua tong ((cong tan) or (cong thanh)) tran van*.