Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dong son li slippers" » "dong von li slippers", "dong san li slippers", "hoang son li slippers", "dong son la slippers", "dong son le slippers", "dong son di slippers", "dong son li slippery", "dong son li 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 son li 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 son li slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dong son li slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dong son li slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.