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