Perhaps you should try some spelling variations:
hanh trinh » hanh chinh
quan phan » quang phan, luan phan, qua phan
phan cong » thanh cong
ho chieu » theo chieu, hoc thieu, doi chieu
theo chu » theo chieu, cho chu, chao chu
cong tan » cong tac, cong san, cong thanh
tran van » luan van

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 (theo chu)) xanh - ((hanh trinh) or (canh tranh)) quan phan cong tan tran van~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (theo chu)) xanh - ((hanh trinh) OR (canh tranh)) quan phan cong tan tran van.
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) or (theo chu)) xanh - ((hanh trinh) or (canh tranh)) quan phan cong tan tran van*.