Perhaps you should try some spelling variations:
phuong dan » phuong danh, phuong doan, huong dan
nhu phuong » thu phuong, nhung phuong, thi phuong
manh tung » manh hung, thanh tung
tung cap » trung cap, cung cap, thong cap
dan toan » van toan, dan than, manh toan
toan cao » toan ban, toan tap
cap nhu » cap nha, tap nhu, cap nghe

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 hanh) or (dieu hanh)) - manh tung cap nhu phuong dan toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((hien hanh) OR (dieu hanh)) - manh tung cap nhu phuong dan toan cao*.