Perhaps you should try some spelling variations:
"qua du chat snippets" » "qua du code snippets", "qua duoc chat snippets", "qua dung chat snippets", "qua doc chat snippets", "qua dau chat snippets", "qua su chat snippets", "qua cu 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 ("qua du 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 ("qua du chat snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( qua du chat snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("qua du chat snippets"))) or ("locating bug core snippets"))*.