Perhaps you should try some spelling variations:
thuoc sach » hoc sach, nuoc sach, thuat sach
cham xuc » cam xuc, cham soc, pham duc
chat xuc » chat huu, cam xuc, chao xu
cau tren » cu tren, dau tren, ca tren
nang doc » nang luc
hieu ve » hieu van
hieu va » lieu va, hieu qua
sach ky » sac ky, sach y, sach ty
doc hoc » duoc hoc, toc hoc, duc hoc
va hanh » van hanh, va thanh, va danh
hanh va » hang va, hanh vi
va cau » van cau, va cac, va dau

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: thuoc sach ky nang doc hoc. ((hieu ve) OR (hieu va)) ((cham xuc) or (chat xuc)) va hanh va cau tren~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thuoc sach ky nang doc hoc. ((hieu ve) OR (hieu va)) ((cham xuc) OR (chat xuc)) va hanh va cau tren.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thuoc sach ky nang doc hoc. ((hieu ve) OR (hieu va)) ((cham xuc) or (chat xuc)) va hanh va cau tren".
• Adding a wildcard symbol may retrieve word variants: thuoc sach ky nang doc hoc. ((hieu ve) OR (hieu va)) ((cham xuc) or (chat xuc)) va hanh va cau tren*.