Perhaps you should try some spelling variations:
thien van » thi van
hoc truc » hoc thuc, hoc trung, hoc thuoc
hanh vai » hanh vi, hanh va, hanh tai
tu cach » tu cac
su sach » so sach, vu sach
nang xa » nang x, lang xa, nang ma
van hoc » van hoa
truc va » thuc va, thuc vat, trung va
va hanh » van hanh, va thanh, va danh
vai cua » dai cua, hai cua, lai cua
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: ((tu cach) OR (su sach)) ky nang xa hoi. thien van hoc truc va hanh vai cua tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((tu cach) OR (su sach)) ky nang xa hoi. thien van hoc truc va hanh vai cua tre".
• Adding a wildcard symbol may retrieve word variants: ((tu cach) OR (su sach)) ky nang xa hoi. thien van hoc truc va hanh vai cua tre*.