Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
doi chieu » doi chi, ho chieu, mot chieu
cong danh » cuong danh, cong dan, cong thanh
danh toan » manh toan, anh toan, dan toan
doc hieu » toc thieu, hoc thieu, hoc hien
thang va » hang va, trang va, thong va
toan tap » toan ban
tang va » trang va, tang van, tang vat

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((doi chieu) OR (doc hieu)) xanh - hanh ((tang va) or (thang va)) nhung cong danh toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((doi chieu) OR (doc hieu)) xanh - hanh ((tang va) OR (thang va)) nhung cong danh toan tap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((doi chieu) OR (doc hieu)) xanh - hanh ((tang va) or (thang va)) nhung cong danh toan tap".
• Adding a wildcard symbol may retrieve word variants: ((doi chieu) OR (doc hieu)) xanh - hanh ((tang va) or (thang va)) nhung cong danh toan tap*.