Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"pho hoc lua slippers" » "phoi hoc lua slippers", "cho hoc lua slippers", "pho ho lua slippers", "pho hoc luan slippers", "pho hoc luat slippers", "pho hoc cua slippers", "pho hoc lua slippery", "pho hoc lua grippers"
"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: (((("pho hoc lua slippers") OR ("python using java snippets"))) OR ("locating bug code snippets"))~.
• Removing quotes may allow a broader search: (((( pho hoc lua slippers ) or ( python using java snippets ))) or ( locating bug code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("pho hoc lua slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.