Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"viet dan dat slippers" » "viet van dat slippers", "viet da dat slippers", "viet dao dat slippers", "viet dung dat slippers", "viet dong dat slippers", "viet dinh dat slippers", "viet dan dat slippery", "viet dan dat 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: (((("viet dan dat slippers") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("viet dan dat slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( viet dan dat slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("viet dan dat slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.