Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"chen so cung snippets" » "chen hsi cung snippets", "khien so cung snippets", "chen so chung snippets", "chen so cong snippets", "chen so dung 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: (((("chen so cung snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("chen so cung snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( chen so cung snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chen so cung snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.