Perhaps you should try some spelling variations:
thanh vien » nhan vien, thanh van
hieu vien » hieu hien, hieu viec, thieu nien
va triet » va thiet, va trien, ve triet
thanh ve » hanh ve, thanh va, thanh van
vien cac » vien bach, vien dai, vien da
cac loc » cac lop, cac toc, cac hoc
lang xa » lang ha, dang xay, lang van
loc va » hoc va, luc va
sac ky » sai ky

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

• If you are trying to use Boolean operators, they must be ALL CAPS: su ((sac ky) OR (cac ky)) lang xa hoi. hieu vien cac loc va ((thanh ve) OR (thanh vien)) va triet~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su ((sac ky) or (cac ky)) lang xa hoi. hieu vien cac loc va ((thanh ve) OR (thanh vien)) va triet~".
• Adding a wildcard symbol may retrieve word variants: su ((sac ky) or (cac ky)) lang xa hoi. hieu vien cac loc va ((thanh ve) OR (thanh vien)) va triet*.