Perhaps you should try some spelling variations:
nhan tai » hang tai, van tai, toan tai
tu sach » thu sach, su sach, te sach
xuc ban » duc ban, cuc ban, quoc ban
han tai » hang tai, van tai, toan tai
cac xuc » cam xuc, cac nuoc, chat xuc
sach ky » sac ky, sach y, sach ty
hieu ve » hieu va, hieu van
ve cac » va cac, vien cac
co hai » co dai, co hoi, o hai
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 ((co hai) or (co ban)). hieu ve cac xuc ban ((han tai) or (nhan tai)) cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ky nang ((co hai) OR (co ban)). hieu ve cac xuc ban ((han tai) OR (nhan tai)) cua te.
• Adding a wildcard symbol may retrieve word variants: tu sach ky nang ((co hai) or (co ban)). hieu ve cac xuc ban ((han tai) or (nhan tai)) cua te*.