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