Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"ban thi bo snippets" » "dan thi bo snippets", "van thi bo snippets", "can thi bo snippets", "ban thi bao snippets", "ban thi mo snippets", "ban thi ba 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 thi bo 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 thi bo snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( ban thi bo snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("ban thi bo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.