Perhaps you should try some spelling variations:
chua xang » chua nang, chuc nang, chu bang
hanh tang » hanh trang, anh tang, hanh mang
tang luan » dung luan
luan hung » luan chung, lan hung, luan ung
cong tan » cong tac, cong san, cong thanh
toan cau » toan cao, toan ban, toan tap
ki nang » ky nang

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

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