Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
hanh dung » thanh dung, anh dung, hanh dong
cua nhung » va nhung
hoi hieu » hoi phieu, moi hieu, doi chieu
hoi tieu » hoc tieu, hoi tiep, loi tieu
ho chieu » theo chieu, hoc thieu, doi chieu
dung cua » dung luan, dung cho
cong tac » cong ty
tac phat » tac pham, tam phat, tan phat
phat cau » phan cau, pha cau, phap cau

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: ((((hoi hieu) OR (hoi tieu))) OR (ho chieu)) quang - hanh dung cua nhung cong tac phat cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((hoi hieu) OR (hoi tieu))) or (ho chieu)) quang - hanh dung cua nhung cong tac phat cau~".
• Adding a wildcard symbol may retrieve word variants: ((((hoi hieu) OR (hoi tieu))) or (ho chieu)) quang - hanh dung cua nhung cong tac phat cau*.