Perhaps you should try some spelling variations:
cau tren » cu tren, dau tren, ca tren
anh thai » anh thi, anh tai, nhanh thai
tu sach » thu sach, su sach, te sach
cac xuc » cam xuc, cac nuoc, chat xuc
van anh » van thanh, tuan anh, van minh
xuc van » duc van, luc van, vuc van
co tren » cu tren, do tren, ca tren
sach ky » sac ky, sach y, sach ty
hieu ve » hieu va, hieu van
co hoi » co hoc, co loi
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 ((co hoi) or (o hai)). hieu ve cac xuc van anh thai ((cau tren) or (co tren))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ky nang ((co hoi) OR (o hai)). hieu ve cac xuc van anh thai ((cau tren) OR (co tren)).
• Adding a wildcard symbol may retrieve word variants: tu sach ky nang ((co hoi) or (o hai)). hieu ve cac xuc van anh thai ((cau tren) or (co tren))*.