Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nen hang di snippets" » "nen tang di snippets", "ngan hang di snippets", "nang hang di snippets", "nen hang doi snippets", "nen hang vi snippets", "nen hang dien 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: (((("nen hang di snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("nen hang di snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nen hang di snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nen hang di snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.