Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
nhanh lang » nhanh quang, nhanh thang, nhan dang
hanh tang » hanh trang, hanh mang, hanh tung
cua nhung » va nhung
theo chu » theo chieu, cho chu, chao chu
chu sang » chu bang, thu sang, chieu sang
anh tang » anh bang, anh dang, anh nang
cong tac » cong ty
tac toan » tap toan, tam toan, hach toan
toan cau » toan cao, toan ban, toan tap

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 chu sang - ((((hanh tang) OR (anh tang))) OR (nhanh lang)) cua nhung cong tac toan cau~.
• Adding a wildcard symbol may retrieve word variants: theo chu sang - ((((hanh tang) or (anh tang))) or (nhanh lang)) cua nhung cong tac toan cau*.