Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cuoi dan so snippets" » "choi dan so snippets", "nguoi dan so snippets", "hoi dan so snippets", "cuoi dan soc snippets", "cuoi dan su snippets", "cuoi dan mo 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: (((("cuoi dan so snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cuoi dan so snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cuoi dan so snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cuoi dan so snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.