Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dang hat ke snippets" » "dang nhat ke snippets", "dang phat ke snippets", "dang vat ke snippets", "dang hat de snippets", "dang hat le snippets", "dang hoat keo 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: (((("dang hat ke snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dang hat ke snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dang hat ke snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dang hat ke snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.