Perhaps you should try some spelling variations:
so sanh » do sanh
sanh ty » sach ty, canh tay
ty nang » ky nang, ty xang, ty hang
nang xa » nang x, lang xa, nang ma
qua cao » qua cac, qua ca, qua cai
cao tuc » dao tuc, cao duc, cao suc
di cua » dai cua, doi cua, de cua
cua cu » cua chu, cua cau, cua su

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 nang xa hoi. hieu qua cao tuc ((va tinh) OR (may tinh)) di cua cu~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "so sanh ty nang xa hoi. hieu qua cao tuc ((va tinh) OR (may tinh)) di cua cu".
• Adding a wildcard symbol may retrieve word variants: so sanh ty nang xa hoi. hieu qua cao tuc ((va tinh) OR (may tinh)) di cua cu*.