Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
trinh cua » tinh cua, trinh quan, trinh luan
nho hieu » nho sieu, nhu hieu, nghe hieu
nha hieu » nha dieu, nghe hieu, phan hieu
cong dan » cong san, cong tan, huong dan
dan toan » van toan, dan than, manh toan
toan tap » toan ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((nho hieu) OR (nha hieu)) lang - hanh ((trinh cua) or (trinh luat)) nhung cong dan toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((nho hieu) OR (nha hieu)) lang - hanh ((trinh cua) OR (trinh luat)) nhung cong dan toan tap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((nho hieu) OR (nha hieu)) lang - hanh ((trinh cua) or (trinh luat)) nhung cong dan toan tap".
• Adding a wildcard symbol may retrieve word variants: ((nho hieu) OR (nha hieu)) lang - hanh ((trinh cua) or (trinh luat)) nhung cong dan toan tap*.