Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
hien hanh » dieu hanh
hang tham » hong tham, hoang thai, chong tham
hang pham » hung pham, hang phat, thanh pham
cong tan » cong tac, cong san, cong thanh
toan cau » toan cao, toan ban, toan tai
toan tap » toan ban

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 hanh - hanh ((hang tham) or (hang pham)) nhung cong tan ((toan cau) or (toan tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hien hanh - hanh ((hang tham) OR (hang pham)) nhung cong tan ((toan cau) OR (toan tap)).
• Adding a wildcard symbol may retrieve word variants: hoc hien hanh - hanh ((hang tham) or (hang pham)) nhung cong tan ((toan cau) or (toan tap))*.