Perhaps you should try some spelling variations:
trinh toan » tinh toan, thanh toan, trinh han
nhung cong » dung cong, thong cong, hang cong
cua nhung » va nhung
ho trieu » mot trieu, 30 trieu, ho chieu
25 trieu » 30 trieu
anh tang » anh bang, anh dang, anh nang
tang cua » mang cua, hang cua, tang luan
toan ban » van ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((ho trieu) OR (25 trieu)) tinh - anh tang cua nhung cong trinh toan ban~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho trieu) OR (25 trieu)) tinh - anh tang cua nhung cong trinh toan ban".
• Adding a wildcard symbol may retrieve word variants: ((ho trieu) OR (25 trieu)) tinh - anh tang cua nhung cong trinh toan ban*.