Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dao cac ke snippets" » "do cac ke snippets", "sao cac ke snippets", "tao cac ke snippets", "dao cac ket snippets", "dao tac ke snippets", "dao cac ky 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 cac ke 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 cac ke snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dao cac ke snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dao cac ke snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.