Perhaps you should try some spelling variations:
hieu vien » hieu hien, hieu viec, thieu nien
vien cac » vien bach, vien dai, vien da
te sach » toc sach
sach ky » sac ky, sach y, sach ty
nang xa » nang x, lang xa, nang ma
dinh vi » dinh ve, dinh viet, dinh tri
lo van » le van, so van, do van
vi cua » vai cua, di cua
cua te » cua tu

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ky nang xa hoi. hieu vien cac ((lo van) OR (vo van)) dinh vi cua te~".
• Adding a wildcard symbol may retrieve word variants: te sach ky nang xa hoi. hieu vien cac ((lo van) OR (vo van)) dinh vi cua te*.