Perhaps you should try some spelling variations:
trinh quan » tinh quang, trinh luat, trinh han
nong trinh » cong trinh, nong tinh, dong trinh
hien hanh » dieu hanh
tranh han » tranh hang, trinh han, tranh ban
hang nong » thang long, han tong
han hang » hang hang, han chang, ban hang
quan ban » quang ban, qua ban, quan van

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 - canh tranh han hang nong trinh quan ban~.
• Adding a wildcard symbol may retrieve word variants: hoc hien hanh - canh tranh han hang nong trinh quan ban*.