Perhaps you should try some spelling variations:
anh thai » anh thi, anh tai, nhanh thai
thai cau » thai cao, toan cau, thai van
cau tren » cu tren, dau tren, ca tren
tu sach » thu sach, su sach, te sach
sach ky » sac ky, sach y, sach ty
hieu ve » hieu va, hieu van
cac xuc » cam xuc, cac nuoc, chat xuc
xuc van » duc van, luc van, vuc van
van anh » van thanh, tuan anh, van minh
mo hoc » mon hoc, co hoc
ve cac » va cac, vien cac
o hai » co hai, so hai, o lai

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 ((mo hoc) or (o hai)). hieu ve cac xuc van anh thai cau tren~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ky nang ((mo hoc) OR (o hai)). hieu ve cac xuc van anh thai cau tren.
• Adding a wildcard symbol may retrieve word variants: tu sach ky nang ((mo hoc) or (o hai)). hieu ve cac xuc van anh thai cau tren*.