Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"heo dinh van snippets" » "hiep dinh van snippets", "do dinh van snippets", "le dinh van snippets", "heo trinh van snippets", "heo sinh vat snippets", "heo dinh van slippers"
"locating bug code snippets" » "locating bug code slippers", "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: (((("heo dinh van snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("heo dinh van snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( heo dinh van snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("heo dinh van snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.