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