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