Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"khoi le co snippets" » "hoi le co snippets", "khoi de co snippets", "khoi he co snippets", "khoi ly co snippets", "khoi ke co 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: (((("khoi le co snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("khoi le co snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( khoi le co snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("khoi le co snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.