Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
thanh dung » thanh duong, thanh tung, thanh hung
nhung cong » dung cong, thong cong, hang cong
tran thanh » ban thanh, van thanh, quan thanh
tran tuan » tran xuan, tran quang, tranh luan
ho chieu » theo chieu, hoc thieu, doi chieu
cong tan » cong tac, cong san, cong thanh

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 va nhung cong tan ((tran tuan) OR (tran thanh))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu sach - thanh dung va nhung cong tan ((tran tuan) OR (tran thanh))".
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - thanh dung va nhung cong tan ((tran tuan) OR (tran thanh))*.