Perhaps you should try some spelling variations:
phuong tuong » phong tuong, phuong duong, phuong luong
van phuong » van phong, va phuong, van chuong
hien xanh » hien hanh, hien nhanh, chieu xanh
hanh dang » hanh dong, hanh dung, hanh mang
tuong van » truong van, trong van, duong van
anh dang » anh dong, anh dung, anh bang
tai cao » thai cao, tao cao, tai sao
tai cac » tai cuc

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 - ((hanh dang) or (anh dang)) van phuong tuong van ((tai cao) or (tai cac))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hien xanh - ((hanh dang) OR (anh dang)) van phuong tuong van ((tai cao) OR (tai cac)).
• Adding a wildcard symbol may retrieve word variants: hoc hien xanh - ((hanh dang) or (anh dang)) van phuong tuong van ((tai cao) or (tai cac))*.