Perhaps you should try some spelling variations:
thu sach » tu sach, thuat sach, thuoc sach
chat tuc » chat xuc, luat tuc, chat huu
cau tren » cu tren, dau tren, ca tren
sach ky » sac ky, sach y, sach ty
nang co » nang cao, nang doc, nang noi
hieu ve » hieu va, hieu van
ve chat » va chat, van chat
va hanh » van hanh, va thanh, ban hanh
va danh » va dinh, va dan, dia danh
ve cau » ke cau, va cau, ve cac

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

• Performing a fuzzy search may retrieve terms with similar spellings: thu sach ky nang co hoc. hieu ve chat tuc ((va hanh) OR (va danh)) ve cau tren~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thu sach ky nang co hoc. hieu ve chat tuc ((va hanh) OR (va danh)) ve cau tren".
• Adding a wildcard symbol may retrieve word variants: thu sach ky nang co hoc. hieu ve chat tuc ((va hanh) OR (va danh)) ve cau tren*.