Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"ion dan hoc snippets" » "ion dat hoc snippets", "gian dan hoc snippets", "dien dan hoc snippets", "ion van hoc snippets", "ion dan toc snippets", "ion dai hoc 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: (((("ion dan hoc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("ion dan hoc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( ion dan hoc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("ion dan hoc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.