Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"zhan gao cau snippets" » "han gao cau snippets", "than giao cau snippets", "hat gao cau snippets", "zhan tao cau snippets", "zhan dao cau snippets", "zhan giay 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: (((("zhan gao 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: (((("zhan gao cau snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( zhan gao cau snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("zhan gao cau snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.