Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
cong quang » luong quang, thong quang, duong quang
quang cua » quan cua, quang tuan, quang huy
ho trieu » mot trieu, 30 trieu, ho chieu
25 trieu » 30 trieu
trang va » hang va
tran van » luan van

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 - hanh ((trang va) or (tran van)) nhung cong quang cua ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho trieu) OR (25 trieu)) tinh - hanh ((trang va) OR (tran van)) nhung cong quang cua ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho trieu) OR (25 trieu)) tinh - hanh ((trang va) or (tran van)) nhung cong quang cua ban".
• Adding a wildcard symbol may retrieve word variants: ((ho trieu) OR (25 trieu)) tinh - hanh ((trang va) or (tran van)) nhung cong quang cua ban*.