Perhaps you should try some spelling variations:
cham xuc » cam xuc, chat xuc, cham soc
ban hanh » ban hang
hanh tue » hanh tu, hanh tuyen, hanh theo
tu sach » thu sach, su sach, te sach
sach ky » sac ky, sach y, sach ty
mai hoi » mai khoi, dai hoi, lai hoi
dai moi » doi moi, dai hoi
hieu ve » hieu va, hieu van
ve cham » va cham, ve chat, vu cham
xuc ban » duc ban, cuc ban, quoc ban
tue cua » te 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 nang ((mai hoi) or (dai moi)). hieu ve cham xuc ban hanh tue cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ky nang ((mai hoi) OR (dai moi)). hieu ve cham xuc ban hanh tue cua te.
• Adding a wildcard symbol may retrieve word variants: tu sach ky nang ((mai hoi) or (dai moi)). hieu ve cham xuc ban hanh tue cua te*.