Perhaps you should try some spelling variations:
van thanh » ban thanh, van tuan
thanh ve » hanh ve, thanh va, thanh vien
van hao » van dao, van ha, van bao
duc van » duc va, duc tan, duc manh
van cau » van dau, van hau, van chat
sach ky » sach y, sach ty, sach kem
nang xa » nang x, lang xa, nang ma
cua tre » cua te, cuu tre, cua triet
sac ky » cac ky, sai ky
ve cua » le cua, de cua, te cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: thuat ((sach ky) OR (sac ky)) nang xa hoi. hieu ((van cau) or (van hao)) duc van thanh ve cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thuat ((sach ky) OR (sac ky)) nang xa hoi. hieu ((van cau) OR (van hao)) duc van thanh ve cua tre*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thuat ((sach ky) OR (sac ky)) nang xa hoi. hieu ((van cau) or (van hao)) duc van thanh ve cua tre*".