Perhaps you should try some spelling variations:
chinh quan » chinh luan, chinh quyen, trinh quan
hien danh » thien danh, hien hanh, hien nhanh
hang nong » thang long, han tong
nong tac » cong tac, dong tac, nong tan
toan cau » toan cao, toan tap, toan tai
toan ban » van ban
ngan » nganh, nhan

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 danh - hanh ((chinh quan) or (chinh ngan)) hang nong tac ((toan cau) or (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hien danh - hanh ((chinh quan) OR (chinh ngan)) hang nong tac ((toan cau) OR (toan ban)).
• Adding a wildcard symbol may retrieve word variants: hoc hien danh - hanh ((chinh quan) or (chinh ngan)) hang nong tac ((toan cau) or (toan ban))*.