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