Perhaps you should try some spelling variations:
"c's communication history" » "c's telecommunication history", "c's communication sector", "c's communication theory", "lea's communication history", "class communication history", "mass communication history"
"service organization asia" » "service organizations asia", "services organization asia", "maritime organization asia", "service organization china", "service organization a", "service organization case"
"its colonization still" » "its colonization failed", "its colonization israel", "its colonization songs", "anti colonization still", "jews colonization still", "mars colonization still"

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: (((("service organization asia") OR ("its colonization still"))) OR ("c's communication history"))~.
• Removing quotes may allow a broader search: (((( service organization asia ) or ( its colonization still ))) or ( c's communication history ))~.
• Adding a wildcard symbol may retrieve word variants: (((("service organization asia") or ("its colonization still"))) or ("c's communication history"))*.