Perhaps you should try some spelling variations:
hieu van » hieu va, thien van, lieu va
van tuan » van quan, van ban, anh tuan
te sach » toc sach
sach ty » sach y, sach tu, sach thu
ty nang » ky nang, ty xang, ty hang
van bao » van ban, van dao
tuan di » tuan do, truan doi, quan doi
cua tre » cua te, cuu tre, cua triet
bao do » ban do, dao do, cao do
do van » dao van, vo van, so van
di cua » dai cua, doi cua, de cua
x hoi » xa hoi, o hoi, x ho

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 ty nang x hoi. hieu van bao do van tuan di cua tre~.
• Adding a wildcard symbol may retrieve word variants: te sach ty nang x hoi. hieu van bao do van tuan di cua tre*.