Perhaps you should try some spelling variations:
nhung phuong » dung phuong, nhu phuong, truong phuong
thanh tung » thanh cong
danh trung » dang trung, dinh trung, manh trung
tuan nhung » quan nhung, tuan hung, thuat nhung
phuong dan » phuong danh, phuong doan, huong dan
hien sach » dien sach, thien hach, chieu sach
kien sach » dien sach, vien bach, kien mac
dan toan » van toan, dan than, manh toan
toan ban » van ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((hien sach) OR (kien sach)) - ((danh trung) or (thanh tung)) tuan nhung phuong dan toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((hien sach) OR (kien sach)) - ((danh trung) OR (thanh tung)) tuan nhung phuong dan toan ban*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((hien sach) OR (kien sach)) - ((danh trung) or (thanh tung)) tuan nhung phuong dan toan ban*".