Perhaps you should try some spelling variations:
nhung phuong » dung phuong, nhu phuong, truong phuong
chieu sang » chieu sach, nhieu tang
chieu xanh » chieu sach, chieu tinh, hieu manh
phuong dan » phuong danh, phuong doan, huong dan
hieu lang » hieu quang, nhieu tang, hieu van
tranh va » tranh van, trang va, trinh va
dan toan » van toan, dan than, manh toan
toan tap » toan ban

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 sang) or (chieu xanh))) or (hieu lang)) - canh tranh va nhung phuong dan toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((((chieu sang) OR (chieu xanh))) OR (hieu lang)) - canh tranh va nhung phuong dan toan tap.
• Adding a wildcard symbol may retrieve word variants: theo ((((chieu sang) or (chieu xanh))) or (hieu lang)) - canh tranh va nhung phuong dan toan tap*.