Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dong su chat snippets" » "dang su chat snippets", "dong tu chat snippets", "dong luc chat snippets", "dong su phat snippets", "dong du chat snippets", "dong so 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: (((("dong su 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: (((("dong su chat snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dong su chat snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dong su chat snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.