Perhaps you should try some spelling variations:
chat xuc » chat huu, cam xuc, chao xu
thu sach » thuat sach, thuoc sach, thu hoach
tu sach » su sach, te sach, tu cach
hieu vu » hieu va, hieu ve, hieu su
vu chat » va chat, ve chat, du chat
va hanh » van hanh, va thanh, va danh
xuc va » duc va, tuc va, luc va
de cua » le cua, dieu cua
te cua » tue cua, le 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)) ky nang x ho. hieu vu chat xuc va hanh ((de cua) OR (te cua)) tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sach) OR (thu sach)) ky nang x ho. hieu vu chat xuc va hanh ((de cua) OR (te cua)) tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((tu sach) or (thu sach)) ky nang x ho. hieu vu chat xuc va hanh ((de cua) OR (te cua)) tre".
• Adding a wildcard symbol may retrieve word variants: ((tu sach) or (thu sach)) ky nang x ho. hieu vu chat xuc va hanh ((de cua) OR (te cua)) tre*.