Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
trung cua » truong cua, trung tuan, trung cap
truong ca » truong cao, truong va, trong ca
dang cong » dung cong
nang caoc » nang doc, nang hoc, bang cac
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 - manh ((trung cua) or (truong ca)) dang cong tan ((nang caoc) or (nang cao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - manh ((trung cua) OR (truong ca)) dang cong tan ((nang caoc) OR (nang cao)).
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - manh ((trung cua) or (truong ca)) dang cong tan ((nang caoc) or (nang cao))*.