Perhaps you should try some spelling variations:
vien cac » vien bach, vien dai, vien da
te sach » toc sach
lua tre » cua tre, luy tre, dua tren
sach 2 » sach y
2 nang » v nang
ve cac » va cac
xuc va » duc va, tuc va, luc va
va dau » va dao
dau vi » dau ve, dau va, dat vi
vi lua » vi luu
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: te sach 2 nang x hoi. hieu ((ve cac) OR (vien cac)) xuc va dau vi lua tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach 2 nang x hoi. hieu ((ve cac) OR (vien cac)) xuc va dau vi lua tre*".