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