Perhaps you should try some spelling variations:
thanh tung » thanh cong
hien xanh » hien hanh, hien nhanh, chieu xanh
trong tap » trong thap, trong tan, trong tai
tung qua » dung qua, tuong quan, trung quan
qua dung » quang dung, su dung, qua song
tong tap » tuong tac, trong tan, cong tac
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 - thanh tung qua dung ((trong tap) or (tong tap)) toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hien xanh - thanh tung qua dung ((trong tap) OR (tong tap)) toan ban*.