Perhaps you should try some spelling variations:
hanh dinh » thanh dinh, hinh dinh, hanh tinh
cau tren » cu tren, dau tren, ca tren
van chat » cao chat
dinh cau » dinh chau, dinh cuu, dinh cu
va hanh » van hanh, va thanh, va danh
tu sach » thu sach, su sach, te sach
sach ky » sac ky, sach y, sach ty
ve chim » va chim, ve cham, ve chinh
nang xa » nang x, lang xa, nang ma
ve chat » va chat
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) OR (van chat)))) xuc va hanh dinh cau 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) OR (van chat)))) xuc va hanh dinh cau 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) OR (van chat)))) xuc va hanh dinh cau tren".
• Adding a wildcard symbol may retrieve word variants: tu sach ky nang xa hoi. hieu ((ve chim) or (((ve chat) OR (van chat)))) xuc va hanh dinh cau tren*.