Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
cua thong » cua thuong, cua tong, suat thong
cua khong » hua khong, cua phuong, cua thuong
hien anh » hien hanh, thien anh, dien anh
cong tan » cong tac, cong san, cong thanh
tan than » tan thanh, tan tran, ban than
than ban » thanh ban, toan ban, than man

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc hien anh - hanh trinh ((cua thong) or (cua khong)) cong tan than ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hien anh - hanh trinh ((cua thong) OR (cua khong)) cong tan than ban.
• Adding a wildcard symbol may retrieve word variants: hoc hien anh - hanh trinh ((cua thong) or (cua khong)) cong tan than ban*.