Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nhieu cau cu snippets" » "nghiep cau cu snippets", "nhu cau cu snippets", "hieu cac cu snippets", "nhieu cau cua snippets", "nhieu cau chu snippets", "nhieu cau tu 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: (((("nhieu cau cu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("nhieu cau cu snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nhieu cau cu snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nhieu cau cu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.