Perhaps you should try some spelling variations:
nhung phuong » dung phuong, nhu phuong, truong phuong
chieu xanh » chieu sach, chieu sang, hieu manh
chieu tinh » trieu tinh, lieu tinh, chau tinh
luan nhung » luan chung, luan hung, quan nhung
phuong bui » phuong mai, phuong bac, phuong thi
anh dung » anh dong, anh huong, sach dung
bui toan » bai toan, bui tan, boi toan
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: hoc ((chieu xanh) or (chieu tinh)) - anh dung luan nhung phuong bui toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((chieu xanh) OR (chieu tinh)) - anh dung luan nhung phuong bui toan cao*.