Perhaps you should try some spelling variations:
"luc cho dong snippets" » "luc cho code snippets", "luc cho cong snippets", "luc co dong snippets", "luc pho dong snippets", "luc cao dong snippets", "nuoc cho dong snippets", "luat cho dong 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 ("luc cho dong snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("luc cho dong snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( luc cho dong snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("luc cho dong snippets"))) or ("locating bug core snippets"))*.