Perhaps you should try some spelling variations:
"word devices technical paper" » "word services technical paper", "word devices medical paper", "worn devices technical paper", "wired devices technical paper"
"bond basic technical paper" » "bond basic mechanical paper", "bond basic technique paper", "bond basic techniques paper", "bond basics technical paper", "bonds basic technical paper", "bond basis technical paper"
"work app technical papers" » "work ntp technical papers", "work 2 technical papers", "work 7 technical papers", "iwork app technical papers", "work a technical papers", "work all technical papers"

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: "((((\"word devices technical paper\") OR (\"bond basic technical paper\"))) OR (\"work app technical papers\"))".
• Removing quotes may allow a broader search: (((( word devices technical paper ) OR ( bond basic technical paper ))) OR ( work app technical papers )).
• Adding a wildcard symbol may retrieve word variants: (((("word devices technical paper") OR ("bond basic technical paper"))) OR ("work app technical papers"))*.