Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"long lenh vi snippets" » "lon len vi snippets", "long tinh vi snippets", "bong lanh vi snippets", "long benh vi snippets", "long kenh vi snippets", "long lenh va snippets", "long lenh vi 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: (((("long lenh vi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("long lenh vi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( long lenh vi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("long lenh vi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.