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