Perhaps you should try some spelling variations:
hieu van » hieu va, thien van, lieu va
hanh vai » hanh vi, hanh va, hanh tai
sang cho » danh cho, dung cho, dong cho
sang tao » hang tai
cau phuc » cau truc, chau phu, huu phuc
vai cua » dai cua, hai cua, lai cua
va hanh » van hanh, va thanh, va danh
phuc va » phuc vu, thuc va, chuc va
su sach » so sach, vu sach
van cau » van dau, van hau, van chat
nang co » nang cao, nang doc, nang noi
cua tre » cua te, cuu tre, cua triet

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

• Performing a fuzzy search may retrieve terms with similar spellings: su sach y ((nang co) or (((sang cho) or (sang tao)))) hoi. hieu van cau phuc va hanh vai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach y ((nang co) OR (((sang cho) OR (sang tao)))) hoi. hieu van cau phuc va hanh vai cua tre.
• Adding a wildcard symbol may retrieve word variants: su sach y ((nang co) or (((sang cho) or (sang tao)))) hoi. hieu van cau phuc va hanh vai cua tre*.