Perhaps you should try some spelling variations:
hieu vien » hieu hien, hieu viec, thieu nien
cau tren » cu tren, dau tren, ca tren
van dinh » van minh, van dich, va dinh
vien cac » vien bach, vien dai, vien da
su sach » so sach, vu sach
nang xa » nang x, lang xa, nang ma
te sach » toc sach
cac xuc » cam xuc, cac nuoc, chat xuc
xuc van » duc van, luc van, vuc van
dinh co » dinh cao, dinh so, dinh cu
tu sach » thu sach, tu cach, vu sach
co cau » bo cau

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) or (te sach))) or (su sach)) ky nang xa hoi. hieu vien cac xuc van dinh co cau tren~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((((tu sach) OR (te sach))) OR (su sach)) ky nang xa hoi. hieu vien cac xuc van dinh co cau tren.
• Adding a wildcard symbol may retrieve word variants: ((((tu sach) or (te sach))) or (su sach)) ky nang xa hoi. hieu vien cac xuc van dinh co cau tren*.