Perhaps you should try some spelling variations:
thu sach » tu sach, thuat sach, thuoc sach
danh sai » dung sai, danh bat, danh dau
cau tren » cu tren, dau tren, ca tren
ca chat » cao chat, cac chat, ca hat
ca cham » cau cham, va cham, co cham
sach ky » sac ky, sach y, sach ty
va chat » van chat, va phat, cao chat
truc va » thuc va, thuc vat, trung va
va danh » va dinh, va dan, va hanh
nang xa » nang x, lang xa, nang ma
sai cau » lai chau, mai chau, hai chau

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 xa hoi. hieu ((((ca chat) or (ca cham))) or (va chat)) truc va danh sai cau tren~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu sach ky nang xa hoi. hieu ((((ca chat) OR (ca cham))) OR (va chat)) truc va danh sai cau tren.
• Adding a wildcard symbol may retrieve word variants: thu sach ky nang xa hoi. hieu ((((ca chat) or (ca cham))) or (va chat)) truc va danh sai cau tren*.