Perhaps you should try some spelling variations:
"co mot chien snippets" » "co mot code snippets", "co mot chieu snippets", "co mot bien snippets", "co mau chien snippets", "cho mot chien snippets", "com mot chien snippets", "co dot chien snippets"
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

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