Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nuoc dan so snippets" » "nuoc dang so snippets", "nuoc san so snippets", "duoc dan so snippets", "nuoc dan soc snippets", "nuoc dan su snippets", "nuoc 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: (((("nuoc 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: (((("nuoc dan so snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nuoc dan so snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nuoc dan so snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.