Perhaps you should try some spelling variations:
ban hanh » ban hang
vinh cua » sinh cua, dinh cua, vinh cuu
tinh cua » trinh cua, sinh cua, tinh chat
sach ky » sac ky, sach ty, sach kem
hieu tu » chieu tu, hieu tuc, hien tu
tu cham » toc cham, thi cham
soc ban » hoc ban, coc ban, so ban
x hoi » xa hoi, o hoi, x ho

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) or (sach y)) nang x hoi. hieu tu cham soc ban hanh ((vinh cua) OR (tinh cua)) tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((sach ky) OR (sach y)) nang x hoi. hieu tu cham soc ban hanh ((vinh cua) OR (tinh cua)) tre*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu ((sach ky) or (sach y)) nang x hoi. hieu tu cham soc ban hanh ((vinh cua) OR (tinh cua)) tre*".