Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
trinh thuc » trinh tu, trinh thi
thuc nhung » phuc nhung, thu nhung, thuc chung
hien tinh » khien tinh, thien tinh, bien tinh
cong tac » cong ty
toan cau » toan ban, toan tap, toan tai
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 hien tinh - hanh trinh thuc nhung ((cong san) or (cong tac)) ((toan cau) or (toan cao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hien tinh - hanh trinh thuc nhung ((cong san) OR (cong tac)) ((toan cau) OR (toan cao)).
• Adding a wildcard symbol may retrieve word variants: hoc hien tinh - hanh trinh thuc nhung ((cong san) or (cong tac)) ((toan cau) or (toan cao))*.