Perhaps you should try some spelling variations:
triet tinh » trieu tinh, trien tinh, trien kinh
thanh tung » thanh cong
mon triet » minh triet, bo triet, mao triet
dung cong » dung trong
cua dung » cua dang, cua dong, qua dung
cong san » cong tac
phan cau » phan cac, phan tu, phan lap
phan dau » phan tu, hang dau

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 - ((thanh tung) or (thanh trung)) cua dung cong san ((phan cau) OR (phan dau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: mon triet tinh - ((thanh tung) OR (thanh trung)) cua dung cong san ((phan cau) OR (phan dau))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "mon triet tinh - ((thanh tung) or (thanh trung)) cua dung cong san ((phan cau) OR (phan dau))*".