Perhaps you should try some spelling variations:
danh cay » danh ca, danh cau, xanh cay
cay phoi » cap phoi, tay hoi, cay cho
ban lang » ban hang, ban dang, ban lan
so sach » so sanh, bo sach, co sach
phi cua » phai cua, chi cua, khi cua
ba lang » va lang, ba bang, ba tang
cua tre » cua te, cuu tre, cua triet
ve cham » va cham, ve chat, vu cham
sach ky » sac ky, sach y, sach ty
ky danh » ky anh, ky dang
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 ky danh cay phoi. hieu ((ve cam) or (ve cham)) duc ((ba lang) OR (ban lang)) phi cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so sach ky danh cay phoi. hieu ((ve cam) OR (ve cham)) duc ((ba lang) OR (ban lang)) phi cua tre*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "so sach ky danh cay phoi. hieu ((ve cam) or (ve cham)) duc ((ba lang) OR (ban lang)) phi cua tre*".