Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thu dat doc snippets" » "thue dat doc snippets", "tu dat doc snippets", "thu da doc snippets", "thu dat duoc snippets", "thu day doc snippets", "thu dat nuoc 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: (((("thu dat doc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("thu dat doc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thu dat doc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thu dat doc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.