Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dan chan loc snippets" » "dan gian loc snippets", "dan ca loc snippets", "van chat loc snippets", "dan chon loc snippets", "dan nhan luc snippets", "dan van loc 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 chan loc 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 chan loc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dan chan loc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dan chan loc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.