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