Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"vien so c snippets" » "bien so c snippets", "viec so c snippets", "vien co c snippets", "vien so d snippets", "vien so o snippets", "vien so _ 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: (((("vien so c snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("vien so c snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( vien so c snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("vien so c snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.