Perhaps you should try some spelling variations:
van hanh » van thanh, ban hanh, van anh
te sach » toc sach
nang xa » nang x, lang xa, nang ma
qua cac » cua cac
cac xuc » cam xuc, cac nuoc, chat xuc
va hanh » va thanh, ban hanh, dao hanh
va danh » va dinh, va dan, dia danh
cua tre » cua te, cuu tre, cua triet
sach v » sach va, sach y, sach 2
v nang » va nang, vu nang, van nang
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: te sach v nang xa hoi. hieu qua cac xuc ((((va hanh) OR (van hanh))) or (va danh)) vi cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach v nang xa hoi. hieu qua cac xuc ((((va hanh) OR (van hanh))) OR (va danh)) vi cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach v nang xa hoi. hieu qua cac xuc ((((va hanh) OR (van hanh))) or (va danh)) vi cua tre".
• Adding a wildcard symbol may retrieve word variants: te sach v nang xa hoi. hieu qua cac xuc ((((va hanh) OR (van hanh))) or (va danh)) vi cua tre*.