Perhaps you should try some spelling variations:
thanh lam » thanh lap, hanh lam, thanh nam
van thanh » ban thanh, van tuan
te sach » toc sach
ve cham » va cham, ve chat, vu cham
lam cua » nam cua, lam chat
xuc van » duc van, luc van, vuc van
cua tre » cua te, cuu tre, cua triet
sach ky » sac ky, sach y, sach ty
ve cam » ve cac, va cam, ve cai
o hai » co hai, so hai, o lai
o hoi » co hoi, o hoc, o hoa

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sach ky nang ((o hoi) OR (o hai)). hieu ((ve cam) or (ve cham)) xuc van thanh lam cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ky nang ((o hoi) OR (o hai)). hieu ((ve cam) OR (ve cham)) xuc van thanh lam cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ky nang ((o hoi) OR (o hai)). hieu ((ve cam) or (ve cham)) xuc van thanh lam cua tre".
• Adding a wildcard symbol may retrieve word variants: te sach ky nang ((o hoi) OR (o hai)). hieu ((ve cam) or (ve cham)) xuc van thanh lam cua tre*.