Perhaps you should try some spelling variations:
tien thanh » tien thinh, tran thanh, den thanh
anh xquang » anh quang, anh quan, anh xuan
xquang van » quang van, quang ban, quan van
hien xanh » hien hanh, hien nhanh, chieu xanh
dung cong » dung trong
van dung » van dong, xay dung, tin dung
cong van » cong vang, cong san, song van
van toan » van tuan, van tan, van thanh
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 (tien thanh)) - anh xquang van dung cong van toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((hien xanh) OR (tien thanh)) - anh xquang van dung cong van toan ban.
• Adding a wildcard symbol may retrieve word variants: hoc ((hien xanh) or (tien thanh)) - anh xquang van dung cong van toan ban*.