Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"quy benh cua snippets" » "tuy benh cua snippets", "quy dinh cua snippets", "gay benh cua snippets", "quy benh chua snippets", "quy menh cua snippets", "quy benh luan 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: (((("quy benh cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("quy benh cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( quy benh cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("quy benh cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.