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