Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dan choi hee snippets" » "dan hoi hee snippets", "dam choi hee snippets", "dan cho hee snippets", "dan cho he snippets", "dan choi tre snippets", "dan khoi he 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: (((("dan choi hee snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dan choi hee snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dan choi hee snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dan choi hee snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.