Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"doc cham den snippets" » "toc cham den snippets", "doc chat den snippets", "moc cham den snippets", "doc cham nen snippets", "doc thai den snippets", "doc chat deo 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 cham den 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 cham den snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( doc cham den snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("doc cham den snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.