Perhaps you should try some spelling variations:
van hanh » van thanh, ban hanh, van anh
te sach » toc sach
sach vu » sach va, sach tu, sach uu
vu nang » vuc nang, va nang, vu dang
nang xa » nang x, lang xa, nang ma
qua cam » qua cham, qua cac, qua ca
va hanh » va thanh, ban hanh, dao hanh
va danh » va dinh, va dan, dia danh
cua tre » cua te, cuu tre, cua triet
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 vu nang xa hoi. hieu qua cam 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 vu nang xa hoi. hieu qua cam 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 vu nang xa hoi. hieu qua cam xuc ((((va hanh) OR (van hanh))) or (va danh)) vi cua tre".
• Adding a wildcard symbol may retrieve word variants: te sach vu nang xa hoi. hieu qua cam xuc ((((va hanh) OR (van hanh))) or (va danh)) vi cua tre*.