Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"chi benh cho snippets" » "chi ben cho snippets", "chi binh cho snippets", "chua benh cho snippets", "chi benh kho snippets", "chi benh co snippets", "chi benh chua 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: (((("chi benh cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("chi benh cho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( chi benh cho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chi benh cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.