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