Perhaps you should try some spelling variations:
thanh chuong » thanh huong, thanh cong, nhanh chong
chuong doan » phuong doan, huong dan, chuan doan
hien hanh » dieu hanh
hanh tang » hanh trang, hanh mang, hanh tung
doan toan » dan toan, doan tuan, doanh hoan
anh tang » anh bang, anh dang, anh nang
toan ban » van 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 tang) or (anh tang)) gia thanh chuong doan toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hien hanh - ((hanh tang) OR (anh tang)) gia thanh chuong doan toan ban*.