Perhaps you should try some spelling variations:
nhung phuong » dung phuong, nhu phuong, truong phuong
thiet tach » chiet tach, thien hach, thuat tach
hoc thiet » hoc thieu, hoc thuyet, hoc hien
tranh cua » doanh cua, manh cua
dan chan » dan gian, dan ca, van chat
chan cap » khan cap, than cap, cao cap

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc thiet tach - canh tranh cua ((bang phuong) or (nhung phuong)) dan chan cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thiet tach - canh tranh cua ((bang phuong) OR (nhung phuong)) dan chan cap.
• Adding a wildcard symbol may retrieve word variants: hoc thiet tach - canh tranh cua ((bang phuong) or (nhung phuong)) dan chan cap*.