Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tao benh cho snippets" » "tai benh cho snippets", "tam benh cho snippets", "tri benh cho snippets", "tao benh kho snippets", "tao benh co snippets", "tao 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: (((("tao 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: (((("tao benh cho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tao benh cho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tao benh cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.