Perhaps you should try some spelling variations:
dung phuong » dung thuong, bang phuong, dung chung
hanh trung » thanh trung, hanh trang, danh trung
manh trung » manh tung, thanh trung, manh hung
phuong dan » phuong danh, phuong doan, huong dan
hien xanh » hien hanh, hien nhanh, chieu xanh
cap dung » ap dung, cao dung, chan dung
toan ban » van ban
than ma » than man, than va, khan ma

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

• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hien xanh - ((hanh trung) OR (manh trung)) cap dung phuong dan ((toan ban) OR (than ma))~.
• Adding a wildcard symbol may retrieve word variants: hoc hien xanh - ((hanh trung) or (manh trung)) cap dung phuong dan ((toan ban) or (than ma))*.