Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
tieu danh » dieu danh, tiep danh, thien danh
hiep dinh » kiem dinh, hinh dinh
manh cua » doanh cua
cong dan » cong san, cong tan, huong dan
dan toan » van toan, dan than, manh toan
toan ban » van ban
ban cua » ban quan

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 danh) or (hiep dinh)) - hanh ((manh cua) OR (ban cua)) nhung cong dan toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((tieu danh) OR (hiep dinh)) - hanh ((manh cua) OR (ban cua)) nhung cong dan toan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((tieu danh) or (hiep dinh)) - hanh ((manh cua) OR (ban cua)) nhung cong dan toan ban".
• Adding a wildcard symbol may retrieve word variants: theo ((tieu danh) or (hiep dinh)) - hanh ((manh cua) OR (ban cua)) nhung cong dan toan ban*.