Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cam thuc du snippets" » "am thuc du snippets", "nam thuc du snippets", "cam thu du snippets", "cam truc du snippets", "cam thuc su snippets", "cam thuc tu 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 ("cam thuc du snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("cam thuc du snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( cam thuc du snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("cam thuc du snippets"))) or ("locating bug code snippets"))*.