Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lon hai con snippets" » "son hai con snippets", "loi hai con snippets", "mon hai con snippets", "lon phai con snippets", "lon bai con snippets", "lon hai 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: (((("lon hai con snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("lon hai con snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lon hai con snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lon hai con snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.