Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hap con co snippets" » "hai con co snippets", "phap cong co snippets", "nhap cong co snippets", "hap cong co snippets", "hap con cho snippets", "hap con coi 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: (((("hap con co snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hap con co snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hap con co snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hap con co snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.