Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cac van php slippers" » "cac dan php slippers", "cac van phap slippers", "cac van phu slippers", "cac van phan slippers", "cac van php slippery", "cac van php grippers"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

Try widening your search to All Fields.

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

• Performing a fuzzy search may retrieve terms with similar spellings: (((("cac van php slippers") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cac van php slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cac van php slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cac van php slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.