Perhaps you should try some spelling variations:
thuat sach » thuat lanh, thuat san
sach ly » sach y, sach lo, sach ty
ly nang » ky nang, ly hang, ly vang
hieu ve » hieu va, hieu van
va hanh » van hanh, va thanh, va danh
hanh ca » hanh cac, hanh cat, hanh cua
cua tre » cuu tre, cua triet, dua tren
xuc va » duc va, tuc va, luc va
cua te » cua tu
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: thuat sach ly nang x hoi. ((hieu ve) or (hieu qua)) cam xuc va hanh ca ((cua tre) OR (cua te))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thuat sach ly nang x hoi. ((hieu ve) OR (hieu qua)) cam xuc va hanh ca ((cua tre) OR (cua te))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thuat sach ly nang x hoi. ((hieu ve) or (hieu qua)) cam xuc va hanh ca ((cua tre) OR (cua te))*".