Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dong san van slippers" » "cong san van slippers", "dong bang van slippers", "dong von van slippers", "dong tan van slippers", "dong luan van slippers", "dong tran van slippers", "dong san van slippery", "dong san van grippers"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("dong san van 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 san van slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dong san van slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dong san van slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.