Perhaps you should try some spelling variations:
bang cong » dang cong, bang song, hang cong
theo chu » theo chieu, cho chu, chao chu
chu xang » chua xang, chu bang, chuc nang
tang cua » mang cua, hang cua, tang luan
ban quan » van quan
cong tan » cong tac, cong san, cong thanh
tran tap » toan tap, tran tan, tran tuan

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo chu xang - hanh ((tang cua) or (ban quan)) bang cong tan tran tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chu xang - hanh ((tang cua) OR (ban quan)) bang cong tan tran tap*.