Perhaps you should try some spelling variations:
thuong tinh » thuong binh, truong tinh, thuong tin
khuong tinh » chuong trinh, phuong trinh, phuong binh
thiet yeu » thiet ke, theo yeu
tranh van » tran van, trinh van, thanh van
van huong » van chuong, van phuong, ban huong
yeu tinh » yeu tin, lieu tinh, kieu tinh
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: thiet yeu tinh - canh tranh van huong ((thuong tinh) or (khuong tinh)) toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thiet yeu tinh - canh tranh van huong ((thuong tinh) OR (khuong tinh)) toan cau.
• Adding a wildcard symbol may retrieve word variants: thiet yeu tinh - canh tranh van huong ((thuong tinh) or (khuong tinh)) toan cau*.