Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nuoc cua tre snippets" » "nuoc luan tre snippets", "nuoc va tre snippets", "hoc cua tre snippets", "nuoc cua te snippets", "nuoc cuu tre snippets", "nuoc cua triet 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 cua tre 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 cua tre snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nuoc cua tre snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nuoc cua tre snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.