Perhaps you should try some spelling variations:
thu sach » tu sach, thuat sach, thuoc sach
hanh de » hanh ve, hanh kem
va hanh » van hanh, va thanh, va danh
cuu tre » cua tre, cau tren, cau treo
dang xa » dang xay, lang xa, dang ha
ky dang » ky nang, ky danh
te sach » toc sach
luc va » duc va, tuc va, loc va
de cuu » de cua
ve cai » va cai, ve cac, ve tai

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 dang xa hoi. hieu ((ve cai) or (va cac)) luc va hanh de cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((thu sach) OR (te sach)) ky dang xa hoi. hieu ((ve cai) OR (va cac)) luc va hanh de cuu tre.
• Adding a wildcard symbol may retrieve word variants: ((thu sach) or (te sach)) ky dang xa hoi. hieu ((ve cai) or (va cac)) luc va hanh de cuu tre*.