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