Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nhat va da snippets" » "nhan va da snippets", "chat va da snippets", "nhat ve da snippets", "nhat va dao snippets", "nhat va dau snippets", "nhat 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: (((("nhat 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: (((("nhat va da snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nhat va da snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nhat va da snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.