Perhaps you should try some spelling variations:
site development » sme development, mine development, estate development
development case » development china
technology era » technology eva, technology e, technology e.g
era selection » erp selection, area selection, a selection
selection a » selection _, selection bias, selection 3.2
costs site » costs some, costs united
price et » price 3, price a, price 1
case a » case 1, case 2, case 3

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "technology era selection a ((price et) OR (price _)) communication costs site development case a.~".
• Adding a wildcard symbol may retrieve word variants: technology era selection a ((price et) OR (price _)) communication costs site development case a.*.