Perhaps you should try some spelling variations:
thanh hang » thanh hoang, thanh thang, tranh hang
chua xang » chua nang, chuc nang, chu bang
hang cong » dang cong, hang nong, bang cong
cong tac » cong ty
tac nhan » tao nhan, cac nhan, dac nhan
nhan cau » nhanh cau, phan cau, nhan sau
va hang » van hang, va nang, va lang

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 (cam nang)))) - thanh hang va hang cong tac nhan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((thuc hanh) OR (((chua xang) OR (cam nang)))) - thanh hang va hang cong tac nhan cau.
• Adding a wildcard symbol may retrieve word variants: theo ((thuc hanh) or (((chua xang) or (cam nang)))) - thanh hang va hang cong tac nhan cau*.