Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"van hon loan snippets" » "van huong loan snippets", "van hon nhan snippets", "van roi loan snippets", "van hoan loan snippets", "van hong loan snippets", "van hoa loan 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: (((("van hon loan snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("van hon loan snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( van hon loan snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("van hon loan snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.