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