Perhaps you should try some spelling variations:
"do co hoat snippets" » "do co code snippets", "do cao hoat snippets", "do che hoat snippets", "do toi hoat snippets", "vo co hoat snippets", "do bo hoat snippets"
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data 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 ("do co hoat snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( do co hoat snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("do co hoat snippets"))) or ("locating bug core snippets"))*.