Perhaps you should try some spelling variations:
ban hanh » ban hang
cham xuc » cam xuc, chat xuc, cham soc
hanh te » hanh tu, hanh ve, hanh de
xuc ban » duc ban, cuc ban, quoc ban
ve cham » va cham, ve chat, vu cham
hieu ve » hieu va, hieu van
dai hoi » dai hoc, dai hai, dai moi
sach ky » sac ky, sach y, sach kem
mai hoi » mai khoi, lai hoi, mai doi
sach ty » sach y, sach tu, sach thu
te cua » tue cua, le cua, de cua
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) or (sach ty)) nang ((mai hoi) OR (dai hoi)). hieu ve cham xuc ban hanh te cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((sach ky) OR (sach ty)) nang ((mai hoi) OR (dai hoi)). hieu ve cham xuc ban hanh te cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu ((sach ky) or (sach ty)) nang ((mai hoi) OR (dai hoi)). hieu ve cham xuc ban hanh te cua te".
• Adding a wildcard symbol may retrieve word variants: tu ((sach ky) or (sach ty)) nang ((mai hoi) OR (dai hoi)). hieu ve cham xuc ban hanh te cua te*.