Perhaps you should try some spelling variations:
"doi quy hoat snippets" » "doi quy code snippets", "doi qua hoat snippets", "doi quy hoach snippets", "doi quy luat snippets", "dot quy hoat snippets", "doi duy hoat snippets", "noi quy 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.

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