Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"lang cao toc snippets" » "lang cao code snippets", "nang cao toc snippets", "lang co toc snippets", "quang cao toc snippets", "lang cac toc snippets", "lang cao hoc snippets", "lang cao ngoc 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: (((("lang cao toc snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("lang cao toc snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( lang cao toc snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lang cao toc snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.