Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
hieu nganh » vien nganh, hieu manh, nghiep nganh
luat thong » luat thuong, suat thong, xuat thong
thong cong » trong cong, tong cong, thong thong
hiem ngan » kim ngan, viem gan
cong tinh » cong trinh, cong vinh, long tinh
toan cau » toan cao, toan tap, toan tai
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 nganh) or (hiem ngan)) - hanh trinh luat thong cong tinh ((toan cau) OR (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((hieu nganh) OR (hiem ngan)) - hanh trinh luat thong cong tinh ((toan cau) OR (toan ban)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((hieu nganh) or (hiem ngan)) - hanh trinh luat thong cong tinh ((toan cau) OR (toan ban))".
• Adding a wildcard symbol may retrieve word variants: hoc ((hieu nganh) or (hiem ngan)) - hanh trinh luat thong cong tinh ((toan cau) OR (toan ban))*.