Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"doc su voi snippets" » "duoc su voi snippets", "hoc su voi snippets", "doi su voi snippets", "doc sua voi snippets", "doc su vi snippets", "doc so voi 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: (((("doc su voi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("doc su voi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( doc su voi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("doc su voi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.