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