Perhaps you should try some spelling variations:
thanh trung » thanh tung
hien nhanh » hien hanh, thien thanh, tien thanh
chieu xanh » chieu sach, chieu sang, chieu tinh
trung cua » truong cua, trung tuan, trung cap
ung dang » dung dang, ung dung, duong dang
dang van » hoang van, hang va
van toan » van tuan, van tan, van thanh
toan ban » van ban
cua ung » cua rung, cua ong, cua nhung

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 nhanh) or (chieu xanh)) - thanh trung cua ung dang van toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((hien nhanh) OR (chieu xanh)) - thanh trung cua ung dang van toan ban*.