Perhaps you should try some spelling variations:
te sach » toc sach
sach ky » sac ky, sach y, sach ty
hieu ve » hieu van
hieu va » lieu va, hieu qua
va danh » va dinh, va dan, dia danh
va hanh » van hanh, va thanh, ban hanh
hoi cua » hoi chuc
cua tuc » cua duc, cua tu, cua thuoc

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sach ky nang x ho. ((hieu ve) or (hieu va)) cam xuc ((va danh) or (va hanh)) hoi cua tuc~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ky nang x ho. ((hieu ve) OR (hieu va)) cam xuc ((va danh) OR (va hanh)) hoi cua tuc.
• Adding a wildcard symbol may retrieve word variants: te sach ky nang x ho. ((hieu ve) or (hieu va)) cam xuc ((va danh) or (va hanh)) hoi cua tuc*.