Perhaps you should try some spelling variations:
te sach » toc sach
sach vu » sach va, sach tu, sach uu
vu nang » vuc nang, va nang, vu dang
nang xa » nang x, lang xa, nang ma
hieu va » hieu qua
cac xuc » cam xuc, cac nuoc, chat xuc
xuc gia » duc gia, luc gia, tuc gia
doi cua » dai cua, hoi cua, dong cua
do cua » co cua, de cua, dong cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sach vu nang xa hoi. ((hieu va) OR (lieu va)) cac xuc gia thanh ((do cua) or (doi cua)) tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach vu nang xa hoi. ((hieu va) OR (lieu va)) cac xuc gia thanh ((do cua) OR (doi cua)) tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach vu nang xa hoi. ((hieu va) OR (lieu va)) cac xuc gia thanh ((do cua) or (doi cua)) tre".
• Adding a wildcard symbol may retrieve word variants: te sach vu nang xa hoi. ((hieu va) OR (lieu va)) cac xuc gia thanh ((do cua) or (doi cua)) tre*.