Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cau dan chan snippets" » "cau dan gian snippets", "cau dan ca snippets", "cau van chat snippets", "cau danh chan snippets", "cac dan chan snippets", "ca dan chan 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: (((("cau dan chan snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cau dan chan snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cau dan chan snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cau dan chan snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.