Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
cua nhung » va nhung
vinh toan » tinh toan, minh toan, vinh tran
hinh toan » tinh toan, thanh toan, trinh toan
theo chu » theo chieu, cho chu, chao chu
chu xanh » chu manh, chieu xanh, chua xang
anh dang » anh dong, anh dung, anh bang
dang cua » dung cua, dong cua, mang cua

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

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