Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
nhung cong » dung cong, thong cong, hang cong
hieu manh » chieu xanh, hieu nganh, dieu hanh
trinh vat » trinh van, trinh luat, sinh vat
vat nhung » va nhung, vap nhung, vai nhung
cong dan » cong san, cong tan, huong dan
dan toan » van toan, dan than, manh toan
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: theo ((chinh sach) or (hieu manh)) - hanh trinh vat nhung cong dan toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chinh sach) OR (hieu manh)) - hanh trinh vat nhung cong dan toan cao.
• Adding a wildcard symbol may retrieve word variants: theo ((chinh sach) or (hieu manh)) - hanh trinh vat nhung cong dan toan cao*.