Perhaps you should try some spelling variations:
thanh phuong » thanh huong, thanh chuong, khanh phong
phuong doan » phuong loan, phuong hoang, huong dan
hien xanh » hien nhanh, chieu xanh, hien khanh
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 xanh) OR (hien hanh)) - ((hanh tang) or (anh tang)) gia thanh phuong doan toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((hien xanh) OR (hien hanh)) - ((hanh tang) OR (anh tang)) gia thanh phuong doan toan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((hien xanh) OR (hien hanh)) - ((hanh tang) or (anh tang)) gia thanh phuong doan toan ban".
• Adding a wildcard symbol may retrieve word variants: hoc ((hien xanh) OR (hien hanh)) - ((hanh tang) or (anh tang)) gia thanh phuong doan toan ban*.