Perhaps you should try some spelling variations:
thuong tinh » khuong tinh, thuong binh, truong tinh
huong tinh » khuong tinh, duong tinh, hung tinh
thiet yeu » thiet ke, theo yeu
tranh van » tran van, trinh van, thanh van
van nhung » van nhuong, va nhung, van hung
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 nhung ((huong tinh) OR (thuong tinh)) toan cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thiet yeu tinh - canh tranh van nhung ((huong tinh) OR (thuong tinh)) toan cau".
• Adding a wildcard symbol may retrieve word variants: thiet yeu tinh - canh tranh van nhung ((huong tinh) OR (thuong tinh)) toan cau*.