Perhaps you should try some spelling variations:
triet tinh » trieu tinh, trien tinh, trien kinh
nhung cong » dung cong, hang cong, nhung don
thong cong » trong cong, tong cong, thong thong
mon triet » minh triet, bo triet, mao triet
tranh cua » doanh cua, manh cua
doan phan » doanh phan, toan phan, dan phan

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

• Performing a fuzzy search may retrieve terms with similar spellings: mon triet tinh - canh tranh cua ((nhung cong) or (thong cong)) doan phan tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: mon triet tinh - canh tranh cua ((nhung cong) OR (thong cong)) doan phan tu*.