Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cui toi hoat snippets" » "cui toan hoat snippets", "cui thi hoa snippets", "cui thi hoan snippets", "cua toi hoat 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: (((("cui toi hoat snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cui toi hoat snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cui toi hoat snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cui toi hoat snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.