Perhaps you should try some spelling variations:
thanh ha » thanh hoa, thanh hai, nhanh ha
qua cham » qua hai, qua cac, qua cua
te sach » toc sach
soc ban » hoc ban, so ban, soc ba
coc ban » co ban, cac ban, hoc ban
va cham » va chat, va tham
sach ky » sac ky, sach y, sach ty
dang ha » dong ha, dung ha, lang ha
ky dang » ky nang, ky danh
cua tre » cua te, cuu tre, cua triet
ha cua » hoa cua, hai cua, nha 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 dang ha noi. hieu ((qua cham) or (va cham)) ((soc ban) OR (coc ban)) thanh ha cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ky dang ha noi. hieu ((qua cham) OR (va cham)) ((soc ban) OR (coc ban)) thanh ha cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ky dang ha noi. hieu ((qua cham) or (va cham)) ((soc ban) OR (coc ban)) thanh ha cua tre".
• Adding a wildcard symbol may retrieve word variants: te sach ky dang ha noi. hieu ((qua cham) or (va cham)) ((soc ban) OR (coc ban)) thanh ha cua tre*.