Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"has nam phuc snippets" » "has nam thuc snippets", "has nam thuoc snippets", "has nang phuc snippets", "ha nam phuc snippets", "hai nam phuc snippets", "hau nam phuc snippets", "has nam phuc 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: (((("has nam phuc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("has nam phuc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( has nam phuc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("has nam phuc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.