Perhaps you should try some spelling variations:
thu sach » thuat sach, thuoc sach, thu hoach
tu sach » su sach, tu cach, vu sach
te sach » toc sach
nang xa » nang x, lang xa, nang ma
qua cam » qua cham, qua cac, qua ca
va hanh » van hanh, va thanh, va danh
cua tre » cua te, cuu tre, cua triet
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) OR (thu sach))) or (te sach)) ky nang xa hoi. hieu qua cam xuc va hanh vi cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((((tu sach) OR (thu sach))) OR (te sach)) ky nang xa hoi. hieu qua cam xuc va hanh vi cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((tu sach) OR (thu sach))) or (te sach)) ky nang xa hoi. hieu qua cam xuc va hanh vi cua tre".
• Adding a wildcard symbol may retrieve word variants: ((((tu sach) OR (thu sach))) or (te sach)) ky nang xa hoi. hieu qua cam xuc va hanh vi cua tre*.