Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"han va da snippets" » "hang va da snippets", "hanh va da snippets", "nhan va da snippets", "han va dao snippets", "han va dau snippets", "han va dap 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: (((("han va da snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("han va da snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( han va da snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("han va da snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.