Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nuoc do deu snippets" » "nuoc doi deu snippets", "nuoc o deu snippets", "nuoc xo deu snippets", "nuoc do dieu snippets", "nuoc do de 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 do deu 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 do deu snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nuoc do deu snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nuoc do deu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.