Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
hieu manh » chieu xanh, hieu nganh, dieu hanh
tong cong » trong cong, cong cong, dang cong
dung cong » dung trong
ban thanh » ban hanh, ban hang
thanh lap » thanh san, phan lap, thanh hai
toc hieu » toc thieu, doc hieu, hoc thieu
trinh he » trinh han, trinh hoa, trinh thi

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc hieu manh - hanh trinh he ((tong cong) or (dung cong)) ban thanh lap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc hieu manh - hanh trinh he ((tong cong) OR (dung cong)) ban thanh lap.
• Adding a wildcard symbol may retrieve word variants: toc hieu manh - hanh trinh he ((tong cong) or (dung cong)) ban thanh lap*.