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