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