Perhaps you should try some spelling variations:
lang chi » lang chai, lang phi, lang chu
ban lang » ban hang, ba lang, ban dang
dang cay » dang xay, dang ca, dang cac
cay phoi » cap phoi, tay hoi, cay cho
so sach » so sanh, bo sach, co sach
ve cham » va cham, ve chat, vu cham
chi cua » chi cuc, khi cua, cuoi cua
duc ban » duc tan, duc van, dua ban
cua tre » cua te, cuu tre, cua triet
ky dang » ky nang, ky danh
vu sach » vu bach, su sach, vu khach
ve cam » ve cac, va cam, ve cai

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((so sach) or (vu sach)) ky dang cay phoi. hieu ((ve cam) or (ve cham)) duc ban lang chi cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((so sach) OR (vu sach)) ky dang cay phoi. hieu ((ve cam) OR (ve cham)) duc ban lang chi cua tre.
• Adding a wildcard symbol may retrieve word variants: ((so sach) or (vu sach)) ky dang cay phoi. hieu ((ve cam) or (ve cham)) duc ban lang chi cua tre*.