Perhaps you should try some spelling variations:
van thanh » ban thanh, van tuan
thanh te » thanh ve, thanh de, thanh le
te sach » toc sach
sach ky » sac ky, sach y, sach ty
nang xa » nang x, lang xa, nang ma
luc van » luoc van, luu van, duc van
cua tre » cua te, cuu tre, cua triet
ve cam » ve cham, va cam, ve cai
ve cac » va cac, vien cac
te cua » tue cua, le cua, de cua

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 xa hoi. hieu ((ve cam) OR (ve cac)) luc van thanh te cua tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ky nang xa hoi. hieu ((ve cam) OR (ve cac)) luc van thanh te cua tre".
• Adding a wildcard symbol may retrieve word variants: te sach ky nang xa hoi. hieu ((ve cam) OR (ve cac)) luc van thanh te cua tre*.