Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"han cho doi snippets" » "hang cho doi snippets", "han che doi snippets", "san cho doi snippets", "han cho moi snippets", "han cuoc doi snippets", "han 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: (((("han 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: (((("han cho doi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( han cho doi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("han cho doi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.