Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"van song don snippets" » "van dong don snippets", "van cong don snippets", "van son don snippets", "van song dong snippets", "van song con snippets", "van tong don 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: (((("van song don snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("van song don snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( van song don snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("van song don snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.