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