Perhaps you should try some spelling variations:
theo chieu » ho chieu, theo chu, thi chieu
tang luan » dung luan
luan dung » lan dung, luan dong, luan hung
dung cong » dung trong
anh tang » anh bang, anh dang, anh nang
cong tac » cong ty
tac toan » tap toan, tam toan, hach toan
toan cau » toan cao, toan ban, toan tap

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

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