Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
thanh tran » thanh trang, thanh toan, thanh tuan
tieu sach » chieu sach, te sach, viet sach
dien sach » dien anh
anh hoang » thanh hoang, minh hoang, tnhh hoang
hoang van » hang va
van nhung » van nhuong, va nhung, van hung
thanh tra » thanh toan, thanh hoa

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((tieu sach) or (dien sach)) - anh hoang van nhung cong ((thanh tran) OR (thanh tra)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((tieu sach) OR (dien sach)) - anh hoang van nhung cong ((thanh tran) OR (thanh tra)) cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((tieu sach) or (dien sach)) - anh hoang van nhung cong ((thanh tran) OR (thanh tra)) cau".
• Adding a wildcard symbol may retrieve word variants: theo ((tieu sach) or (dien sach)) - anh hoang van nhung cong ((thanh tran) OR (thanh tra)) cau*.