Perhaps you should try some spelling variations:
hieu nganh » vien nganh, nghiep nganh
hanh trinh » canh tranh, hanh chinh
luat thong » luat thuong, suat thong, xuat thong
thong tinh » thuong tinh, thong tin, thong minh
hieu manh » chieu xanh, dieu hanh, hien hanh
hiem ngan » kim ngan, viem gan
toan cau » 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 nganh) or (hieu manh))) or (hiem ngan)) - hanh trinh luat thong thong tinh toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((((hieu nganh) OR (hieu manh))) OR (hiem ngan)) - hanh trinh luat thong thong tinh toan cau.
• Adding a wildcard symbol may retrieve word variants: hoc ((((hieu nganh) or (hieu manh))) or (hiem ngan)) - hanh trinh luat thong thong tinh toan cau*.