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