Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"toc khoa can snippets" » "toc khoa code snippets", "hoc khoa can snippets", "moc khoa can snippets", "toc kho can snippets", "toc khoa cam snippets", "toc khoa cap snippets", "toc khoi can snippets"
"python using java snippets" » "python using data snippets"

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("python using java snippets") or ("toc khoa can snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("toc khoa can snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( toc khoa can snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("toc khoa can snippets"))) or ("locating bug core snippets"))*.