Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nang soc son snippets" » "nang doc son snippets", "nang hoc son snippets", "nang som son snippets", "nang ngoc son snippets", "nang hoc song snippets", "nang quoc son 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: (((("nang soc 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: (((("nang soc son snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nang soc son snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nang soc son snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.