Perhaps you should try some spelling variations:
nhanh cay » nhanh ha, nhanh bac, nhanh va
thu sach » tu sach, thuat sach, thuoc sach
va nhanh » va thanh, va hanh, va nhan
hieu cua » hieu qua, dieu cua, bieu cua
cau treo » cau theo, cau tren, cau triet
nang xa » nang x, lang xa, nang ma
su sach » so sach, vu sach
cuu tre » cua tre, cau tren
cac tuc » cac toc, cac tu, cac tac
y nang » ky nang, ly nang, v nang
tuc va » thuc va, truc va, tuc xa

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) or (su sach)) y nang xa hoi. hieu cua cac tuc va nhanh cay ((cuu tre) or (cau treo))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((thu sach) OR (su sach)) y nang xa hoi. hieu cua cac tuc va nhanh cay ((cuu tre) OR (cau treo)).
• Adding a wildcard symbol may retrieve word variants: ((thu sach) or (su sach)) y nang xa hoi. hieu cua cac tuc va nhanh cay ((cuu tre) or (cau treo))*.