Perhaps you should try some spelling variations:
hieu vien » hieu hien, hieu viec, thieu nien
cua triet » cua viet, su triet, va triet
vien cac » vien bach, vien dai, vien da
van hanh » van thanh, ban hanh, van anh
hanh cua » manh cua, hang cua, hanh sua
so sanh » do sanh
sanh ty » sach ty, canh tay
xang xa » lang xa, mang xa, ang xa
cac loc » cac lop, cac toc, cac hoc
loc van » luoc van, hoc van, lo van

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

• Performing a fuzzy search may retrieve terms with similar spellings: so sanh ty xang xa hoi. hieu vien cac loc van hanh cua ((cua triet) or (cua vat))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so sanh ty xang xa hoi. hieu vien cac loc van hanh cua ((cua triet) OR (cua vat)).
• Adding a wildcard symbol may retrieve word variants: so sanh ty xang xa hoi. hieu vien cac loc van hanh cua ((cua triet) or (cua vat))*.