Perhaps you should try some spelling variations:
nhung phuong » dung phuong, nhu phuong, truong phuong
phuong tinh » phuong trinh, phuong binh, khuong tinh
canh thanh » canh tranh, danh thanh, anh thanh
kieu tinh » lieu tinh, trieu tinh, diep tinh
yeu tinh » yeu tin, lieu tinh, tru tinh
thanh va » thanh van, hanh va, thanh ha
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) or (cuu tinh))) or (kieu tinh)) - canh thanh va nhung phuong tinh toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thiet ((((yeu tinh) OR (cuu tinh))) OR (kieu tinh)) - canh thanh va nhung phuong tinh toan cau.
• Adding a wildcard symbol may retrieve word variants: thiet ((((yeu tinh) or (cuu tinh))) or (kieu tinh)) - canh thanh va nhung phuong tinh toan cau*.