Perhaps you should try some spelling variations:
van hanh » van thanh, ban hanh, van anh
sach vay » sach va, sach hay, sach nay
hieu ve » hieu va, hieu van
hanh di » hanh vi, hanh de, hang di
xuc van » duc van, luc van, xuc ban
cac xuc » cam xuc, cac nuoc, chat xuc
cua tre » cua te, cuu tre, cua triet
nang xa » nang x, lang xa, nang ma
sach v » sach va, sach 2
ve cac » va cac, vien cac
di cua » dai cua, doi cua, de cua

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 v) OR (sach vay))) or (sach y)) nang xa hoi. hieu ve cac xuc van hanh di cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te ((((sach v) OR (sach vay))) OR (sach y)) nang xa hoi. hieu ve cac xuc van hanh di cua tre*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te ((((sach v) OR (sach vay))) or (sach y)) nang xa hoi. hieu ve cac xuc van hanh di cua tre*".