Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cuon mot con snippets" » "chon mot con snippets", "huong mot con snippets", "muong mot con snippets", "cuon mot cong snippets", "cuon mot co snippets", "cuon moi con 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: (((("cuon mot con snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cuon mot con snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cuon mot con snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cuon mot con snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.