Perhaps you should try some spelling variations:
dung duong » dung dong, dong duong, dung dung
canh manh » lanh manh, canh tranh, cach mang
manh toan » thanh toan, anh tuan
theo yeu » theo tieu, thiet yeu, theo chu
yeu tinh » yeu tin, lieu tinh, kieu tinh
manh cua » doanh cua, ban cua
cua dung » cua dang, cua dong, qua dung

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 cua dung duong ((manh toan) or (tinh toan)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo yeu tinh - canh manh cua dung duong ((manh toan) OR (tinh toan)) cau.
• Adding a wildcard symbol may retrieve word variants: theo yeu tinh - canh manh cua dung duong ((manh toan) or (tinh toan)) cau*.