Perhaps you should try some spelling variations:
vien nganh » vien thanh
nhung cong » dung cong, thong cong, hang cong
nhiep anh » nghiep thanh
hanh hang » thanh hang, hang hang, hanh han
cong dan » cong san, cong tan, huong dan
dan khan » dan khanh, dan chan, dan than
khan cap » khan ap, than cap, khoan cam

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((nhiep anh) or (vien nganh)) - hanh hang va nhung cong dan khan cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((nhiep anh) OR (vien nganh)) - hanh hang va nhung cong dan khan cap.
• Adding a wildcard symbol may retrieve word variants: hoc ((nhiep anh) or (vien nganh)) - hanh hang va nhung cong dan khan cap*.