Perhaps you should try some spelling variations:
dinh cau » dinh chau, dinh cuu, dinh cac
tu sach » thu sach, su sach, te sach
dinh cu » dinh cuu, dinh chuc, dinh chau
va hanh » van hanh, va thanh, va danh
ve chat » va chat, van chat
sach ky » sac ky, sach y, sach ty
ve chim » va chim, ve cham, ve chinh
nang xa » nang x, lang xa, nang ma
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: tu sach ky nang xa hoi. hieu ((ve chim) or (ve chat)) xuc va hanh ((dinh cau) OR (dinh cu)) tren~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ky nang xa hoi. hieu ((ve chim) OR (ve chat)) xuc va hanh ((dinh cau) OR (dinh cu)) tren.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ky nang xa hoi. hieu ((ve chim) or (ve chat)) xuc va hanh ((dinh cau) OR (dinh cu)) tren".
• Adding a wildcard symbol may retrieve word variants: tu sach ky nang xa hoi. hieu ((ve chim) or (ve chat)) xuc va hanh ((dinh cau) OR (dinh cu)) tren*.