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