Perhaps you should try some spelling variations:
cua triet » cua viet, su triet
thanh van » thanh san, thanh toan, thanh phan
va triet » va thiet, va trien, ve triet
tham xuc » tham nuoc, tham thuc, pham duc
lan tham » van tham, lan thom, hang tham
thi lan » thi hanh, thi nang, thi lien
xuc gia » duc gia, luc gia, tuc gia
nang ma » tang ma, sang ma, mang may
tu sach » thu sach, su sach, te sach

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sach y ((nang ma) or (nang cao)) hoi. thi lan tham xuc gia thanh van ((cua triet) OR (va triet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach y ((nang ma) OR (nang cao)) hoi. thi lan tham xuc gia thanh van ((cua triet) OR (va triet)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach y ((nang ma) or (nang cao)) hoi. thi lan tham xuc gia thanh van ((cua triet) OR (va triet))".
• Adding a wildcard symbol may retrieve word variants: tu sach y ((nang ma) or (nang cao)) hoi. thi lan tham xuc gia thanh van ((cua triet) OR (va triet))*.