Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
cham xuc » cam xuc, chat xuc, cham soc
hieu cau » nhieu cau, hieu cac, hieu ca
cau cham » ca cham, cau chan, cau chap
cao hoc » co hoc, cho hoc, chat hoc
sach ky » sac ky, sach ty, sach kem
va hanh » van hanh, va thanh, va danh
va dan » ca dan, va dao, va dau

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

• Performing a fuzzy search may retrieve terms with similar spellings: te ((sach ky) or (sach y)) nang cao hoc. hieu cau cham xuc ((va hanh) or (va dan)) dai cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te ((sach ky) OR (sach y)) nang cao hoc. hieu cau cham xuc ((va hanh) OR (va dan)) dai cua triet.
• Adding a wildcard symbol may retrieve word variants: te ((sach ky) or (sach y)) nang cao hoc. hieu cau cham xuc ((va hanh) or (va dan)) dai cua triet*.