Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dung cuu he snippets" » "dung cua he snippets", "dung cu he snippets", "dung cau he snippets", "dung cuu che snippets", "dung cuu ve snippets", "dung cuu de 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: (((("dung cuu he snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung cuu he snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung cuu he snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung cuu he snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.