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