Perhaps you should try some spelling variations:
ban banh » ban hanh, ban anh, ban danh
cham duc » pham duc, cham soc, pham duy
dua tren » dung tren
tu sach » thu sach, su sach, te sach
sach ky » sac ky, sach y, sach ty
hieu ve » hieu van
hieu va » lieu va, hieu qua
duc ban » duc tan, duc van, dua ban
banh de » hanh de, banh keo, thanh de
cua te » cua tu

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 nang x ho. ((hieu ve) OR (hieu va)) cham duc ban banh de ((dua tren) or (cua te))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ky nang x ho. ((hieu ve) OR (hieu va)) cham duc ban banh de ((dua tren) OR (cua te))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ky nang x ho. ((hieu ve) OR (hieu va)) cham duc ban banh de ((dua tren) or (cua te))*".