Perhaps you should try some spelling variations:
chua xang » chua nang, chu bang, chua dong
bang cong » dang cong, bang song, hang cong
anh tang » anh bang, anh dang, anh nang
tang cua » mang cua, hang cua, tang luan
cua bang » chua bang, cua ban, cua dang
cong dan » cong san, cong tan, huong dan
dan toan » van toan, dan than, manh toan
toan cau » toan cao, toan ban, toan tap
chuc » chu, phuc

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((thuc hanh) or (((chua xang) or (chuc nang)))) - anh tang cua bang cong dan toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((thuc hanh) OR (((chua xang) OR (chuc nang)))) - anh tang cua bang cong dan toan cau.
• Adding a wildcard symbol may retrieve word variants: theo ((thuc hanh) or (((chua xang) or (chuc nang)))) - anh tang cua bang cong dan toan cau*.