Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
luan nhung » luan chung, luan hung, quan nhung
nhung cong » dung cong, thong cong, hang cong
mot chieu » doi chieu, ho chieu
tang luan » dung luan
anh tang » anh bang, anh dang, anh nang
cong dan » cong san, cong tan, huong dan
toan cao » toan tap
toan ban » van ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((mot chieu) or (theo chieu)) sach - anh tang luan nhung cong dan ((toan cao) or (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((mot chieu) OR (theo chieu)) sach - anh tang luan nhung cong dan ((toan cao) OR (toan ban)).
• Adding a wildcard symbol may retrieve word variants: ((mot chieu) or (theo chieu)) sach - anh tang luan nhung cong dan ((toan cao) or (toan ban))*.