Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hut benh con snippets" » "hut binh con snippets", "chua benh con snippets", "cua benh con snippets", "hut benh co snippets", "hut benh dong snippets", "hut benh hoc 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: (((("hut benh 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: (((("hut benh con snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hut benh con snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hut benh con snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.