Perhaps you should try some spelling variations:
te sach » toc sach
hai cua » thai cua, dai cua, hoi cua
lai cua » dai cua, lai chau, thai cua
va hanh » van hanh, va thanh, va danh
va tham » van tham, va thanh, va thuat
sach ky » sac ky, sach y, sach ty
va cham » va chat
cao hoi » cau hoi, co hoi, cao hoc
xuc va » duc va, tuc va, luc va

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 cao hoi. thien ((va cham) OR (va tham)) xuc va hanh ((lai cua) or (hai cua)) tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ky nang cao hoi. thien ((va cham) OR (va tham)) xuc va hanh ((lai cua) OR (hai cua)) tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ky nang cao hoi. thien ((va cham) OR (va tham)) xuc va hanh ((lai cua) or (hai cua)) tre".
• Adding a wildcard symbol may retrieve word variants: te sach ky nang cao hoi. thien ((va cham) OR (va tham)) xuc va hanh ((lai cua) or (hai cua)) tre*.