Perhaps you should try some spelling variations:
"dang su hoai snippets" » "dang su code snippets", "dang su hai snippets", "dang su hoan snippets", "dang su hoa snippets", "dan su hoai snippets", "dung su hoai snippets", "dong su hoai snippets"
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data 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 su hoai snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dang su hoai snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( dang su hoai snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dang su hoai snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.