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