Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"ban chi chu snippets" » "banh chi chu snippets", "bao chi chu snippets", "ban thi chu snippets", "ban chi chua snippets", "ban choi chu snippets", "ban cho chu 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 chi chu 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 chi chu snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( ban chi chu snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("ban chi chu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.