Perhaps you should try some spelling variations:
su sach » so sach, vu sach
cac xuc » cam xuc, cac nuoc, chat xuc
vu nang » vuc nang, va nang, vu dang
va dinh » van dinh, va kinh, va tinh
hieu ve » hieu va, hieu van
te cua » tue cua, le cua
de cua » le cua, dieu cua
xuc va » duc va, tuc va, luc va
ve cac » va cac, vien cac
v nang » va nang, van nang, voi nang
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: su sach ((v nang) OR (vu nang)) x hoi. hieu ve cac xuc va dinh ((de cua) or (te cua)) te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ((v nang) OR (vu nang)) x hoi. hieu ve cac xuc va dinh ((de cua) OR (te cua)) te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach ((v nang) OR (vu nang)) x hoi. hieu ve cac xuc va dinh ((de cua) or (te cua)) te".
• Adding a wildcard symbol may retrieve word variants: su sach ((v nang) OR (vu nang)) x hoi. hieu ve cac xuc va dinh ((de cua) or (te cua)) te*.