Perhaps you should try some spelling variations:
thu sach » tu sach, thuat sach, thuoc sach
te sach » toc sach
nang xa » nang x, lang xa, nang ma
va hanh » van hanh, va thanh, va danh
hanh de » hanh ve, hanh kem
cuu tre » cua tre, cau tren, cau treo
ve cai » va cai, ve cac, ve tai
de cuu » de 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) OR (te sach)) ky nang xa hoi. hieu ((ve cai) OR (va cac)) duc va hanh de cuu tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((thu sach) OR (te sach)) ky nang xa hoi. hieu ((ve cai) OR (va cac)) duc va hanh de cuu tre".
• Adding a wildcard symbol may retrieve word variants: ((thu sach) OR (te sach)) ky nang xa hoi. hieu ((ve cai) OR (va cac)) duc va hanh de cuu tre*.