Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nhat dan xac slippers" » "nhat danh xac slippers", "nhat ban xac slippers", "nhan dan xac slippers", "nhat dan bac slippers", "nhat dan cac slippers", "nhat dan xa slippers", "nhat dan xac slippery", "nhat dan 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: (((("nhat dan 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: (((("nhat dan xac slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nhat dan xac slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nhat dan xac slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.