Perhaps you should try some spelling variations:
cham hoc » cham soc, chat hoc, cham hoi
hoc tuan » hoc quan, hoc luan, hoc tan
sach ly » sach y, sach lo, sach hay
sach ty » sach y, sach tu, sach thu
nang xa » nang x, lang xa, nang ma
va cham » va chat, va tham
cuu tre » cua tre, cau tren, cau treo
anh vi » hanh vi, anh va, anh ve
cua te » cua tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu ((sach ly) OR (sach ty)) nang xa hoi. lieu va cham hoc tuan anh vi ((cuu tre) or (cua te))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((sach ly) OR (sach ty)) nang xa hoi. lieu va cham hoc tuan anh vi ((cuu tre) OR (cua te))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu ((sach ly) OR (sach ty)) nang xa hoi. lieu va cham hoc tuan anh vi ((cuu tre) or (cua te))*".