Perhaps you should try some spelling variations:
ban thanh » ban hanh, ban hang
van chat » cao chat
va thanh » gia thanh, va tinh, le thanh
vu sach » vu bach, su sach, vu khach
sach ty » sach y, sach tu, sach thu
ty nang » ky nang, ty xang, ty hang
nang xa » nang x, lang xa, nang ma
va chat » va phat, cao chat, hoa chat
cua tre » cua te, cuu tre, cua triet
le cua » ly cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: vu sach ty nang xa hoi. lieu ((va chat) or (van chat)) cuc ((va thanh) OR (ban thanh)) le cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu sach ty nang xa hoi. lieu ((va chat) OR (van chat)) cuc ((va thanh) OR (ban thanh)) le cua tre*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "vu sach ty nang xa hoi. lieu ((va chat) or (van chat)) cuc ((va thanh) OR (ban thanh)) le cua tre*".