Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nghe nhan he snippets" » "nghe dan he snippets", "nghe san he snippets", "nghe nano he snippets", "nghe nhan ha snippets", "nghe nhan ve snippets", "nghe nhan nghe 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: (((("nghe nhan he snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("nghe nhan he snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nghe nhan he snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nghe nhan he snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.