Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dang va line snippets" » "dang van line snippets", "dang vat line snippets", "hang va line snippets", "dang a line snippets", "dang va linh snippets", "dang bam line 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 va line 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 va line snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dang va line snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dang va line snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.