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