Perhaps you should try some spelling variations:
ban banh » ban hanh, ban anh, ban danh
cham xuc » cam xuc, chat xuc, pham duc
sach ky » sac ky, sach ty, sach kem
hieu va » lieu va, hieu qua
nang xa » nang x, lang xa, nang ma
cua tre » cua te, cuu tre, cua triet
banh d » anh d, binh d
d cua » de cua, do cua, da cua

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 (sach y)) nang xa hoi. hieu va ((cham xuc) or (cham soc)) ban banh d cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu ((sach ky) OR (sach y)) nang xa hoi. hieu va ((cham xuc) OR (cham soc)) ban banh d cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thu ((sach ky) OR (sach y)) nang xa hoi. hieu va ((cham xuc) or (cham soc)) ban banh d cua tre".
• Adding a wildcard symbol may retrieve word variants: thu ((sach ky) OR (sach y)) nang xa hoi. hieu va ((cham xuc) or (cham soc)) ban banh d cua tre*.