Perhaps you should try some spelling variations:
hanh vai » hanh vi, hanh va, hanh tai
tu sach » thu sach, su sach, te sach
vai cua » dai cua, hai cua, lai cua
va hanh » van hanh, va thanh, va danh
vien da » vien dai, hien dai
cua tre » cua te, cuu tre, cua triet
lang xa » lang ha, dang xay, lang van
ky lang » ky nang, ky dang, ky tang
co sach » bo sach, cuon sach, hoc sach
ve cam » ve cham, ve cac, va cam

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) OR (co sach)) ky lang xa hoi. hieu ((ve cam) OR (vien da)) duc va hanh vai cua tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((tu sach) OR (co sach)) ky lang xa hoi. hieu ((ve cam) OR (vien da)) duc va hanh vai cua tre".
• Adding a wildcard symbol may retrieve word variants: ((tu sach) OR (co sach)) ky lang xa hoi. hieu ((ve cam) OR (vien da)) duc va hanh vai cua tre*.