Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cui dan chan snippets" » "cui dan gian snippets", "cui dan ca snippets", "cui van chat snippets", "cuoi dan chan snippets", "cua dan chan snippets", "cu dan chan 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 dan chan 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 dan chan snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cui dan chan snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cui dan chan snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.