Perhaps you should try some spelling variations:
nhung huong » nhung phuong, nhung tuong, nhung cong
tieu trinh » tien trinh, tien thinh, trieu tinh
tranh cua » doanh cua, manh cua
cua nhung » va nhung
hoc tieu » hoc thieu, hoc dieu, hoc sieu
toan tai » doanh tai, toan ban, toan cao
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: hoc tieu trinh - canh tranh cua nhung huong dan ((toan tai) or (toan tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc tieu trinh - canh tranh cua nhung huong dan ((toan tai) OR (toan tap)).
• Adding a wildcard symbol may retrieve word variants: hoc tieu trinh - canh tranh cua nhung huong dan ((toan tai) or (toan tap))*.