Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nam cua xac slippers" » "nam cua cac slippers", "nam cua bac slippers", "nam cuu xac slippers", "nam cua xac slippery", "nam cua xac grippers"
"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: (((("nam cua xac slippers") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("nam cua xac slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nam cua xac slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nam cua xac slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.