Perhaps you should try some spelling variations:
nhung phuong » dung phuong, nhu phuong, truong phuong
theo chinh » thien chinh, te chinh, che chinh
thanh tinh » thanh binh, nhanh tinh, than kinh
cua nhung » va nhung
tinh cua » trinh cua, sinh cua, tinh chat
van toan » van tan, van thanh, manh toan
van tuan » van quan, van ban, anh tuan

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo chinh sach - thanh tinh cua nhung phuong ((van toan) or (van tuan)) cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chinh sach - thanh tinh cua nhung phuong ((van toan) OR (van tuan)) cao.
• Adding a wildcard symbol may retrieve word variants: theo chinh sach - thanh tinh cua nhung phuong ((van toan) or (van tuan)) cao*.