Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lap nam do snippets" » "dap nam do snippets", "lai nam do snippets", "loai nam do snippets", "lap nam dao snippets", "lap nam doi snippets", "lap nam bo 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: (((("lap nam do snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("lap nam do snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lap nam do snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lap nam do snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.