Perhaps you should try some spelling variations:
lang cho » sang cho, hang cho, lang co
van hanh » van thanh, ban hanh, van anh
te sach » toc sach
xuc van » duc van, luc van, vuc van
bai cua » ban cua, dai cua, bai ca
vai cua » dai cua, hai cua, mai cua
cac xuc » cam xuc, cac nuoc, chat xuc
sach tu » sach thu, cach tu, sach ty
hieu ve » hieu va, hieu van
cho hoc » co hoc, khoa hoc
tu lang » cu lang, tu lanh, xu lang
lai cua » dai cua, hai cua, lai chau
ve cac » va cac, vien cac

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: te sach tu lang cho hoc. hieu ve cac xuc van hanh ((((vai cua) OR (bai cua))) OR (lai cua)) cac~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach tu lang cho hoc. hieu ve cac xuc van hanh ((((vai cua) OR (bai cua))) or (lai cua)) cac~".
• Adding a wildcard symbol may retrieve word variants: te sach tu lang cho hoc. hieu ve cac xuc van hanh ((((vai cua) OR (bai cua))) or (lai cua)) cac*.