Perhaps you should try some spelling variations:
thuong cong » thong cong, thuong con, thuong dong
phuong dong » phuong dung, phuong hoang, chuong duong
hieu nganh » hiem ngan, hieu manh, nghiep nganh
vien nganh » vien thanh
tranh cua » doanh cua, manh cua
san toan » van toan, dan toan, manh toan
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 (vien nganh)) - canh tranh cua ((thuong cong) or (phuong dong)) san toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((hieu nganh) OR (vien nganh)) - canh tranh cua ((thuong cong) OR (phuong dong)) san toan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((hieu nganh) OR (vien nganh)) - canh tranh cua ((thuong cong) or (phuong dong)) san toan cau".
• Adding a wildcard symbol may retrieve word variants: hoc ((hieu nganh) OR (vien nganh)) - canh tranh cua ((thuong cong) or (phuong dong)) san toan cau*.