Perhaps you should try some spelling variations:
triet tinh » trieu tinh, trien tinh, trien kinh
hanh trinh » canh tranh, hanh chinh
nhung cong » dung cong, hang cong, nhung don
thong cong » trong cong, tong cong, thong thong
mon triet » minh triet, bo triet, mao triet
trinh va » trinh van, trinh vat, trinh ve
san toan » van toan, dan toan, manh toan
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: mon triet tinh - hanh trinh va ((nhung cong) OR (thong cong)) san toan tap~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "mon triet tinh - hanh trinh va ((nhung cong) OR (thong cong)) san toan tap".
• Adding a wildcard symbol may retrieve word variants: mon triet tinh - hanh trinh va ((nhung cong) OR (thong cong)) san toan tap*.