Perhaps you should try some spelling variations:
hieu van » hieu va, thien van, lieu va
ban danh » ban doanh, ban hanh, ban dan
ban anh » ban hanh, ban banh, bang anh
cam cuc » cam xuc, cham cuu, pham cuc
van cam » van nam, van lam, van cau
tu sach » thu sach, su sach, te sach
sach ky » sac ky, sach y, sach ty
sang ma » tang ma, nang ma, sang tao
lang xa » lang ha, dang xay, lang van
cua tre » cua te, cuu tre, cua triet
vi cua » vai cua, di 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 ky ((lang xa) or (sang ma)) hoi. hieu van cam cuc ((ban anh) OR (ban danh)) vi cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ky ((lang xa) OR (sang ma)) hoi. hieu van cam cuc ((ban anh) OR (ban danh)) vi cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ky ((lang xa) or (sang ma)) hoi. hieu van cam cuc ((ban anh) OR (ban danh)) vi cua tre".
• Adding a wildcard symbol may retrieve word variants: tu sach ky ((lang xa) or (sang ma)) hoi. hieu van cam cuc ((ban anh) OR (ban danh)) vi cua tre*.