Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nghi le cau snippets" » "nghi ke cau snippets", "nghi le mau snippets", "nghi le cap snippets", "nghia le cau snippets", "ghi le cau snippets", "nghe le cau 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: (((("nghi le cau snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("nghi le cau snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nghi le cau snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nghi le cau snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.