Perhaps you should try some spelling variations:
chay tren » thai tren, ca tren, cau tren
hanh lam » thanh lap, hanh kem, hanh va
ban hanh » ban hang
cho tre » cho thue, khoe tre
xuc ban » duc ban, cuc ban, quoc ban
sach tu » sach thu, cach tu, sach ty
tu sach » thu sach, su sach, te sach
nang ma » tang ma, sang ma, nang cao
nang xa » nang x, lang xa, mang xa
hieu va » lieu va, hieu qua
va cam » va cham, va cac, va cao

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 tu ((nang xa) OR (nang ma)) hoi. hieu va cam xuc ban hanh lam ((cho tre) or (chay tren))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach tu ((nang xa) OR (nang ma)) hoi. hieu va cam xuc ban hanh lam ((cho tre) OR (chay tren)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach tu ((nang xa) OR (nang ma)) hoi. hieu va cam xuc ban hanh lam ((cho tre) or (chay tren))".
• Adding a wildcard symbol may retrieve word variants: tu sach tu ((nang xa) OR (nang ma)) hoi. hieu va cam xuc ban hanh lam ((cho tre) or (chay tren))*.