Perhaps you should try some spelling variations:
tan banh » tan binh, ban banh, tang binh
qua pham » quan pham, quy pham, qua cham
tu sach » thu sach, su sach, te sach
ty nang » ky nang, ty hang, ly nang
cua tre » cua te, cuu tre, cua triet
banh d » anh d, binh d
d cua » de cua, do cua, da cua

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 ((ty nang) or (ty xang)) x ho. hieu qua pham duc tan banh d cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ((ty nang) OR (ty xang)) x ho. hieu qua pham duc tan banh d cua tre.
• Adding a wildcard symbol may retrieve word variants: tu sach ((ty nang) or (ty xang)) x ho. hieu qua pham duc tan banh d cua tre*.