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