Perhaps you should try some spelling variations:
tinh via » tinh gia, tinh va, tinh vi
cham luc » nhan luc, cham cuu, chat lua
so sanh » do sanh
ly hang » ly quang
hang xa » hoang xa, hang va, hang ca
hieu vu » hieu va, hieu ve, hieu su
sanh ly » sinh ly, doanh ly, khanh ly
cua tre » cuu tre, cua triet, dua tren
va tinh » may tinh
cua te » cua tu

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 ly hang xa hoi. hieu vu ((cham luc) or (cham soc)) va tinh via ((cua tre) or (cua te))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so sanh ly hang xa hoi. hieu vu ((cham luc) OR (cham soc)) va tinh via ((cua tre) OR (cua te)).
• Adding a wildcard symbol may retrieve word variants: so sanh ly hang xa hoi. hieu vu ((cham luc) or (cham soc)) va tinh via ((cua tre) or (cua te))*.