Perhaps you should try some spelling variations:
nhung phuong » dung phuong, nhu phuong, truong phuong
phuong tien » phuong trinh
chieu tinh » trieu tinh, lieu tinh, kieu tinh
chau tinh » cuu tinh, ha tinh, cua tinh
tien toan » thien toan, dien toan, tien thanh
toan tap » toan ban
manh va » hanh va, minh va, lanh va
anh va » hanh va

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((chieu tinh) OR (chau tinh)) - canh ((manh va) or (anh va)) nhung phuong tien toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chieu tinh) OR (chau tinh)) - canh ((manh va) OR (anh va)) nhung phuong tien toan tap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chieu tinh) OR (chau tinh)) - canh ((manh va) or (anh va)) nhung phuong tien toan tap".
• Adding a wildcard symbol may retrieve word variants: theo ((chieu tinh) OR (chau tinh)) - canh ((manh va) or (anh va)) nhung phuong tien toan tap*.