Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
thong cong » trong cong, tong cong, thong thong
hieu manh » chieu xanh, hieu nganh, dieu hanh
thong san » thong sang, trong san, thong van
hoc hieu » hoc thieu, hoc hien, doc hieu
toan tai » toan tap, doanh tai, toan ban
toan cao » toan ban, toan tap

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 - hanh trinh luat ((thong san) or (thong cong)) van ((toan tai) or (toan cao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hieu manh - hanh trinh luat ((thong san) OR (thong cong)) van ((toan tai) OR (toan cao)).
• Adding a wildcard symbol may retrieve word variants: hoc hieu manh - hanh trinh luat ((thong san) or (thong cong)) van ((toan tai) or (toan cao))*.