Perhaps you should try some spelling variations:
hoc trien » hoc tren, hoc truyen, buoc trien
quan tong » quan trong, quan dong, quan long
tong cong » trong cong, cong cong, dung cong
hoc tien » hoc tieng, hoc hien, hoc vien
canh ban » can ban, canh dan, canh van
ban quan » van quan
cong tan » cong tac, cong san, cong thanh
tan hang » tan khang, ban hang, van hang
hang dau » hang va, hang tai

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((hoc trien) or (hoc tien)) nang - canh ban quan tong cong tan hang dau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc trien) OR (hoc tien)) nang - canh ban quan tong cong tan hang dau*.