Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dan hoc hee snippets" » "van hoc hee snippets", "dan toc hee snippets", "dai hoc hee snippets", "dan hoc he snippets", "dan hoc hue snippets", "dan hoc hien 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 hoc 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 hoc hee snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dan hoc hee snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dan hoc hee snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.