Perhaps you should try some spelling variations:
cong phan » cong nhan, cong khan, chong phap
phan dung » phan ung, phan dang, chan dung
dung cong » dung trong
ho chieu » theo chieu, hoc thieu, doi chieu
cong tan » cong tac, cong san, cong thanh
tan quan » tang quan, toan quan, van quan
quan tai » quan tri, quang tri, quan li

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((ho chieu) or (mot chieu)) xanh - thanh cong phan dung cong tan quan tai~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (mot chieu)) xanh - thanh cong phan dung cong tan quan tai*.