Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dang thu da snippets" » "dang thuy da snippets", "dang thuc da snippets", "dang thi da snippets", "dang thu dac snippets", "dang thu dai snippets", "dang thu dau 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 thu 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: (((("dang thu da snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dang thu da snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dang thu da snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.