Perhaps you should try some spelling variations:
thanh lap » thanh san, phan lap, thanh hai
van thanh » ban thanh, van tuan
toc sach » hoc sach, doc sach, thuoc sach
ve chat » va chat, van chat
lap cua » lai cua, tap cua, lam cua
xuc van » duc van, luc van, vuc van
cua tre » cua te, cuu tre, cua triet
nang o » nang co, nang ho, nang ro
ve cam » ve cham, ve cac, va cam
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: ((te sach) OR (toc sach)) ky nang o hoi. hieu ((ve cam) or (ve chat)) xuc van thanh lap cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((te sach) OR (toc sach)) ky nang o hoi. hieu ((ve cam) OR (ve chat)) xuc van thanh lap cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((te sach) OR (toc sach)) ky nang o hoi. hieu ((ve cam) or (ve chat)) xuc van thanh lap cua tre".
• Adding a wildcard symbol may retrieve word variants: ((te sach) OR (toc sach)) ky nang o hoi. hieu ((ve cam) or (ve chat)) xuc van thanh lap cua tre*.