Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
nhieu tang » chieu sang, hieu lang, nhiet nang
tang luan » dung luan
dung cong » dung trong
mang cua » manh cua, dung cua, ban cua
cong tan » cong tac, cong san, cong thanh
tran ban » tranh ban, tran van, toan ban

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) or (nhieu tang)) - anh ((mang cua) or (tang luan)) dung cong tan tran ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((chieu sach) OR (nhieu tang)) - anh ((mang cua) OR (tang luan)) dung cong tan tran ban.
• Adding a wildcard symbol may retrieve word variants: hoc ((chieu sach) or (nhieu tang)) - anh ((mang cua) or (tang luan)) dung cong tan tran ban*.