Perhaps you should try some spelling variations:
danh sai » dung sai, danh bat, danh dau
tao cau » tao cu, tao cao, tao sau
sai cua » dai cua, hai cua, lai cua
va danh » va dinh, va dan, va hanh
truc va » thuc va, thuc vat, trung va
cao cau » cao cap, co cau, ca cau
sach ky » sach y, sach ty, sach kem
nang xa » nang x, lang xa, nang ma
cua tre » cua te, cuu tre, cua triet
sac ky » cac ky, sai ky

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) or (sac ky)) nang xa hoi. hieu ((cao cau) OR (tao cau)) truc va danh sai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu ((sach ky) OR (sac ky)) nang xa hoi. hieu ((cao cau) OR (tao cau)) truc va danh sai cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thu ((sach ky) or (sac ky)) nang xa hoi. hieu ((cao cau) OR (tao cau)) truc va danh sai cua tre".
• Adding a wildcard symbol may retrieve word variants: thu ((sach ky) or (sac ky)) nang xa hoi. hieu ((cao cau) OR (tao cau)) truc va danh sai cua tre*.