Perhaps you should try some spelling variations:
nhu phuong » thu phuong, nhung phuong, thi phuong
phuong dan » phuong danh, phuong doan, huong dan
hoc thiet » hoc thieu, hoc thuyet, hoc hien
tranh cua » manh cua
doanh cua » doanh luan
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: ((va thiet) or (hoc thiet)) tach - canh ((tranh cua) or (doanh cua)) nhu phuong dan toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((va thiet) OR (hoc thiet)) tach - canh ((tranh cua) OR (doanh cua)) nhu phuong dan toan ban.
• Adding a wildcard symbol may retrieve word variants: ((va thiet) or (hoc thiet)) tach - canh ((tranh cua) or (doanh cua)) nhu phuong dan toan ban*.