Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nhan va dk snippets" » "nhan tai dk snippets", "nhan dan dk snippets", "nhan tao dk snippets", "nhan va de snippets", "nhan va do snippets", "nhan va du 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: (((("nhan va dk snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("nhan va dk snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nhan va dk snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nhan va dk snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.