Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
thanh tung » thanh cong
nhung cong » dung cong, thong cong, hang cong
hoc chieu » hoc thieu, ho chieu, hoc hien
cap nhung » cam nhung, vap nhung, dap nhung
thanh lap » thanh san, phan lap, thanh hai
cong ban » cong bang, cong san, cong tan
than cap » khan cap, thanh cac, than cua

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: hoc chieu sach - ((thanh trung) or (thanh tung)) cap nhung cong ban ((than cap) or (thanh lap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chieu sach - ((thanh trung) OR (thanh tung)) cap nhung cong ban ((than cap) OR (thanh lap)).
• Adding a wildcard symbol may retrieve word variants: hoc chieu sach - ((thanh trung) or (thanh tung)) cap nhung cong ban ((than cap) or (thanh lap))*.