Perhaps you should try some spelling variations:
chua triet » cua triet, chua thiet, chua trieu
hieu vien » hieu hien, hieu viec, thieu nien
vien cac » vien bach, vien dai, vien da
va doanh » van doanh, vay doanh, va danh
ly doanh » ly anh
tu sach » thu sach, su sach, te sach
sach ky » sac ky, sach y, sach ty
nang xa » nang x, lang xa, nang ma
cac luc » cau luc, coc luc, cac nuoc
va chua » vua chua, ca chua, va chu

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 ky nang xa hoi. hieu vien cac luc ((va doanh) or (ly doanh)) va chua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ky nang xa hoi. hieu vien cac luc ((va doanh) OR (ly doanh)) va chua triet.
• Adding a wildcard symbol may retrieve word variants: tu sach ky nang xa hoi. hieu vien cac luc ((va doanh) or (ly doanh)) va chua triet*.