Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"ban dan chon snippets" » "ban dan chan snippets", "ban dan cho snippets", "ban dinh chon snippets", "ban hang chon snippets", "ban hanh chon snippets", "ban quan chon 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: (((("ban dan chon snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("ban dan chon snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( ban dan chon snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("ban dan chon snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.