Perhaps you should try some spelling variations:
"cao va dat grippers" » "cao va soft grippers", "cao van dat grippers", "tao va dat grippers", "co va dat grippers", "cao va dao grippers", "cao va dau grippers", "cao va dap grippers"
"python using java slippers" » "python using data slippers", "python using java slippery"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

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: (((("cao va dat grippers") OR ("python using java slippers"))) OR ("locating bug code snippets"))~.
• Removing quotes may allow a broader search: (((( cao va dat grippers ) or ( python using java slippers ))) or ( locating bug code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("cao va dat grippers") or ("python using java slippers"))) or ("locating bug code snippets"))*.