Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tiep cua he snippets" » "tiep can he snippets", "dieu cua he snippets", "tap cua he snippets", "tiep cua che snippets", "tiep cua te snippets", "tiep cua le 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: (((("tiep cua he snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tiep cua he snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tiep cua he snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tiep cua he snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.