Perhaps you should try some spelling variations:
hien nhanh » hien hanh, thien thanh, tien thanh
quang tuan » quang thanh, quan luan, quang cua
anh quang » anh xquang, anh quan, nhanh quang
tuan dung » tuan duong, tran dung, tan dung
dung cong » dung trong
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 ((dieu hanh) or (hien nhanh)) - anh quang tuan dung cong van toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((dieu hanh) OR (hien nhanh)) - anh quang tuan dung cong van toan ban.
• Adding a wildcard symbol may retrieve word variants: hoc ((dieu hanh) or (hien nhanh)) - anh quang tuan dung cong van toan ban*.