Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
luat thong » luat thuong, suat thong, xuat thong
hieu manh » chieu xanh, hieu nganh, dieu hanh
hoc hieu » hoc thieu, hoc hien, doc hieu
cong tap » cuong tap, cong tac, tong tap
cong tan » cong tac, cong san, cong thanh
toan cao » toan tap
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 hieu manh - hanh trinh luat thong ((cong tap) OR (cong tan)) ((toan cao) or (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hieu manh - hanh trinh luat thong ((cong tap) OR (cong tan)) ((toan cao) OR (toan ban)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc hieu manh - hanh trinh luat thong ((cong tap) OR (cong tan)) ((toan cao) or (toan ban))".
• Adding a wildcard symbol may retrieve word variants: hoc hieu manh - hanh trinh luat thong ((cong tap) OR (cong tan)) ((toan cao) or (toan ban))*.