Perhaps you should try some spelling variations:
thu sach » thuat sach, thuoc sach, thu hoach
chat xuc » chat huu, cam xuc, chao xu
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
di cua » doi cua, de cua, do cua
x hoi » xa hoi, o hoi, x ho

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 hoi. hieu vu chat xuc va hanh ((di cua) OR (dai cua)) tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sach) OR (thu sach)) ky nang x hoi. hieu vu chat xuc va hanh ((di cua) OR (dai cua)) tre*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((tu sach) or (thu sach)) ky nang x hoi. hieu vu chat xuc va hanh ((di cua) OR (dai cua)) tre*".