Perhaps you should try some spelling variations:
nang thuong » hang thuong, nang truong, dang thuong
thuong dan » huong dan, thuong han, thuong dam
canh manh » lanh manh, canh tranh, cach mang
theo yeu » theo tieu, thiet yeu, theo chu
yeu tinh » yeu tin, lieu tinh, kieu tinh
toan cau » toan cao, toan ban, toan tap
than cap » khan cap, thanh lap, thanh cac
manh va » hanh va, anh va, minh va
va nang » van nang, da nang, cam nang

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: theo yeu tinh - canh manh va nang thuong dan ((toan cau) or (than cap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo yeu tinh - canh manh va nang thuong dan ((toan cau) OR (than cap)).
• Adding a wildcard symbol may retrieve word variants: theo yeu tinh - canh manh va nang thuong dan ((toan cau) or (than cap))*.