Perhaps you should try some spelling variations:
danh ban » doanh ban, danh bat, danh bac
gap phoi » cap phoi, cay phoi, gap doi
gap phai » gop phan, dap phap, cap phoi
ban cua » ban quan
va danh » va dinh, va dan, va hanh
cac duc » cac du, cao duc, cac dac
qua cac » cua cac
cua tre » cua te, cuu tre, cua triet
sach ky » sac ky, sach ty, sach kem

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu ((sach ky) or (sach y)) dang ((gap phoi) or (gap phai)). hieu qua cac duc va danh ban cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((sach ky) OR (sach y)) dang ((gap phoi) OR (gap phai)). hieu qua cac duc va danh ban cua tre.
• Adding a wildcard symbol may retrieve word variants: tu ((sach ky) or (sach y)) dang ((gap phoi) or (gap phai)). hieu qua cac duc va danh ban cua tre*.