Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
cua nhung » va nhung
chua xang » chua nang, chuc nang, chu bang
vinh toan » tinh toan, minh toan, vinh tran
hinh toan » tinh toan, thanh toan, trinh toan
chu xanh » chu manh, chieu xanh, chuc danh
anh dung » anh dong, anh huong, sach dung
dung cua » dung luan, dung cho

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 xanh) OR (chua xang)) - anh dung cua nhung cong ((vinh toan) OR (hinh toan)) cao~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chu xanh) OR (chua xang)) - anh dung cua nhung cong ((vinh toan) or (hinh toan)) cao~".
• Adding a wildcard symbol may retrieve word variants: theo ((chu xanh) OR (chua xang)) - anh dung cua nhung cong ((vinh toan) or (hinh toan)) cao*.