Perhaps you should try some spelling variations:
cau tren » cu tren, dau tren, ca tren
xuc van » duc van, luc van, vuc van
cac xuc » cam xuc, cac nuoc, chat xuc
tu sach » thu sach, su sach, te sach
ty hang » ly hang, ty xang, thi hang
hieu ve » hieu va, hieu van
ve cac » va cac, vien cac
anh va » hanh va
x hoi » xa hoi, o hoi, x ho

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) or (ty hang)) x hoi. hieu ve cac xuc van ((anh viet) or (anh va)) cau tren~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ((ky nang) OR (ty hang)) x hoi. hieu ve cac xuc van ((anh viet) OR (anh va)) cau tren.
• Adding a wildcard symbol may retrieve word variants: tu sach ((ky nang) or (ty hang)) x hoi. hieu ve cac xuc van ((anh viet) or (anh va)) cau tren*.