Perhaps you should try some spelling variations:
thuong dong » phuong dong, tuong dong, chuong dong
cai thuong » tai thuong, ca thuong, cao thuong
tranh cai » tranh cac, trinh cai, tranh chap
doc hieu » toc thieu, hoc thieu
dong dan » dong danh, duong dan, dong san
dan toan » van toan, dan than, 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 hien) or (doc hieu)) manh - canh tranh cai thuong dong dan toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc hien) OR (doc hieu)) manh - canh tranh cai thuong dong dan toan cau.
• Adding a wildcard symbol may retrieve word variants: ((hoc hien) or (doc hieu)) manh - canh tranh cai thuong dong dan toan cau*.