Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"goc dao cau snippets" » "toc dao cau snippets", "goc do cau snippets", "doc dao cau snippets", "goc dat cau snippets", "goc da cau snippets", "goc tao 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: (((("goc dao 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: (((("goc dao cau snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( goc dao cau snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("goc dao cau snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.