Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nao le chan snippets" » "nao le thanh snippets", "nao le khanh snippets", "nao le thang snippets", "nao de chan snippets", "dao le chan snippets", "hao le chan 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: (((("nao le chan snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("nao le chan snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nao le chan snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nao le chan snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.