Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
hoc thieu » toc thieu, hoc hien
cong danh » cuong danh, cong dan, cong thanh
danh toan » manh toan, anh toan, dan toan
hoc hieu » hoc hien, doc hieu, hoc dieu
trung vo » trung bo, trung vu, trung co
trung va » truong va, trang va, trung ha
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: ((hoc hieu) or (hoc thieu)) manh - hanh ((trung vo) OR (trung va)) nhung cong danh toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc hieu) OR (hoc thieu)) manh - hanh ((trung vo) OR (trung va)) nhung cong danh toan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((hoc hieu) or (hoc thieu)) manh - hanh ((trung vo) OR (trung va)) nhung cong danh toan ban".
• Adding a wildcard symbol may retrieve word variants: ((hoc hieu) or (hoc thieu)) manh - hanh ((trung vo) OR (trung va)) nhung cong danh toan ban*.