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