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