Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"doi ho nhat snippets" » "doi hoa nhat snippets", "doi hoc nhat snippets", "doi do nhat snippets", "doi pho nhat snippets", "doi hoi nhat snippets"

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

• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("doi ho nhat snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( doi ho nhat snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("doi ho nhat snippets"))) or ("locating bug core snippets"))*.