Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"che ho doc snippets" » "che do doc snippets", "he ho doc snippets", "che khoa doc snippets", "che hoa doc snippets", "che ho duc snippets", "che co doc 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: (((("che ho 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: (((("che ho doc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( che ho doc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("che ho doc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.