Perhaps you should try some spelling variations:
tranh luat » trinh luat, tranh luan, trinh luan
hieu nganh » vien nganh, hiem ngan, nghiep nganh
hieu manh » chieu xanh, dieu hanh, hien hanh
luat hang » luat hanh, luat chung, luat quang
hang long » thang long, hoang long, hang luong
long tinh » cong tinh, trong tinh, luong tin
toan tap » toan ban
toan cao » toan 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 (hieu manh)) - canh tranh luat hang long tinh ((toan tap) or (toan cao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((hieu nganh) OR (hieu manh)) - canh tranh luat hang long tinh ((toan tap) OR (toan cao)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((hieu nganh) OR (hieu manh)) - canh tranh luat hang long tinh ((toan tap) or (toan cao))".
• Adding a wildcard symbol may retrieve word variants: hoc ((hieu nganh) OR (hieu manh)) - canh tranh luat hang long tinh ((toan tap) or (toan cao))*.