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