Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dao co cac snippets" » "dao cao cac snippets", "dao cho cac snippets", "dao o cac snippets", "dao ca cac snippets", "dao co 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: (((("dao co cac 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 co cac snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dao co cac snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dao co cac snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.