Perhaps you should try some spelling variations:
va hanh » van hanh, va thanh, va danh
sach va » sach xa, sach ha, sach dao
cua tre » cua te, cuu tre, cua triet
nang xa » nang x, lang xa, nang ma
sach 2 » sach y
ve cac » vien cac
xuc va » duc va, tuc va, luc va
vi cua » vai cua, di cua

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 va) or (sach 2)) nang xa hoi. hieu ((ve cac) or (va cac)) xuc va hanh vi cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((sach va) OR (sach 2)) nang xa hoi. hieu ((ve cac) OR (va cac)) xuc va hanh vi cua tre.
• Adding a wildcard symbol may retrieve word variants: tu ((sach va) or (sach 2)) nang xa hoi. hieu ((ve cac) or (va cac)) xuc va hanh vi cua tre*.