Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cap van long snippets" » "cap van luong snippets", "cap van dong snippets", "cap van cong snippets", "cac van long snippets", "cao van long snippets", "tap van long 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: (((("cap van long snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cap van long snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cap van long snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cap van long snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.