Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lang cho doi snippets" » "sang cho doi snippets", "hang cho doi snippets", "lang co doi snippets", "lang cho moi snippets", "lang cuoc doi snippets", "lang cho tuoi 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: (((("lang cho doi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("lang cho doi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lang cho doi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lang cho doi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.