Perhaps you should try some spelling variations:
chap thuong » chan thuong, phan thuong, pham thuong
thuong cong » thong cong, thuong con, thuong dong
thanh tung » thanh cong
hieu manh » chieu xanh, hieu nganh, dieu hanh
hoc hieu » hoc thieu, hoc hien, doc hieu
dan than » dan chan, van than, dan toan
ban than » ban thanh, van thanh, ban hang

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 manh - ((thanh trung) or (thanh tung)) chap thuong cong ((dan than) OR (ban than)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hieu manh - ((thanh trung) OR (thanh tung)) chap thuong cong ((dan than) OR (ban than)) cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc hieu manh - ((thanh trung) or (thanh tung)) chap thuong cong ((dan than) OR (ban than)) cau".
• Adding a wildcard symbol may retrieve word variants: hoc hieu manh - ((thanh trung) or (thanh tung)) chap thuong cong ((dan than) OR (ban than)) cau*.