Perhaps you should try some spelling variations:
duong doi » duong loi, dung doi, huong doi
xa duong » xa dong, va duong, xa muong
so sach » so sanh, bo sach, co sach
sach ty » sach y, sach tu, sach thu
doi cua » dai cua, hoi cua
va cham » va chat, va tham
cua tre » cua te, cuu tre, cua triet
ty nang » ky nang, ty xang, ty hang
va cai » va cac, va bai, va dai
o hoi » co hoi, o hoc, o hai

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: so sach ty nang ((o hoi) or (x ho)). hieu ((va cai) or (va cham)) tuc xa duong doi cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so sach ty nang ((o hoi) OR (x ho)). hieu ((va cai) OR (va cham)) tuc xa duong doi cua tre.
• Adding a wildcard symbol may retrieve word variants: so sach ty nang ((o hoi) or (x ho)). hieu ((va cai) or (va cham)) tuc xa duong doi cua tre*.