Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
tieu tinh » trieu tinh, tieu trinh, lieu tinh
hanh dang » hanh dong, hanh dung, hanh mang
cua nhung » va nhung
anh dang » anh dong, anh dung, anh bang
cong van » cong vang, cong san, song van
van tuan » van quan, van ban, anh tuan
tuan ban » tuan bang, toan ban, luan ban

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu tinh - ((hanh dang) OR (anh dang)) cua nhung cong van tuan ban~.
• Adding a wildcard symbol may retrieve word variants: theo tieu tinh - ((hanh dang) or (anh dang)) cua nhung cong van tuan ban*.