Perhaps you should try some spelling variations:
hoc thieu » toc thieu, hoc hien
cong danh » cuong danh, cong dan, cong thanh
danh toan » manh toan, anh toan, dan toan
ho chieu » theo chieu, doi chieu, mot chieu
anh tang » anh bang, anh dang, anh nang
cua bang » chua bang, cua dang, cua hang
toan cau » toan cao, toan ban, toan tap

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

• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (hoc thieu)) sang - anh tang ((cua bang) OR (cua ban)) cong danh toan cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho chieu) OR (hoc thieu)) sang - anh tang ((cua bang) or (cua ban)) cong danh toan cau~".
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) OR (hoc thieu)) sang - anh tang ((cua bang) or (cua ban)) cong danh toan cau*.