Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dao cau che snippets" » "dat cau che snippets", "da cau che snippets", "tao cau che snippets", "dao cuu che snippets", "dao cac che snippets", "dao cau chu 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: (((("dao cau che snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dao cau che snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dao cau che snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dao cau che snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.