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