Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"doan dieu co snippets" » "nhan dieu co snippets", "dang dieu co snippets", "toan dien co snippets", "doan dieu con snippets", "doan lieu co snippets", "doan deu 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: (((("doan dieu 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: (((("doan dieu co snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( doan dieu co snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("doan dieu co snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.