Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
hanh dai » hanh tai, hanh dao, vanh dai
sang tao » hang tai
xa hanh » xa thanh, xa khanh, va hanh
so sach » so sanh, bo sach, co sach
nang ma » tang ma, sang ma, nang cao
va cao » va cac, va co, va dao
xuc xa » tuc xa, buc xa
va cam » va cham, va cac, va cai

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

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