Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"kieu doan da snippets" » "kiem toan da snippets", "ket doan da snippets", "kieu van da snippets", "kieu doan dau snippets", "kieu doan va snippets", "kieu dan da 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: (((("kieu doan da snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("kieu doan da snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( kieu doan da snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("kieu doan da snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.