Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
trinh thuc » trinh tu, trinh thi
hien xanh » hien nhanh, chieu xanh, hien khanh
hien hanh » dieu hanh
thuc dung » thuoc dung, thuy dung, tuc dung
dung cong » dung trong
cong tan » cong tac, cong san, cong thanh
toan ban » van ban

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 xanh) or (hien hanh)) - hanh trinh thuc dung cong tan ((toan ban) or (toan tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((hien xanh) OR (hien hanh)) - hanh trinh thuc dung cong tan ((toan ban) OR (toan tap)).
• Adding a wildcard symbol may retrieve word variants: hoc ((hien xanh) or (hien hanh)) - hanh trinh thuc dung cong tan ((toan ban) or (toan tap))*.