Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"php cap can snippets" » "pho cap can snippets", "phap cac can snippets", "phap cai can snippets", "php cap han snippets", "php cap van snippets", "php tap can snippets"
"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: (((("php cap can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("php cap can snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( php cap can snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("php cap can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.