Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dong ton van slippers" » "dong von van slippers", "dong son van slippers", "dong tin van slippers", "dong tong van slippers", "dong toan van slippers", "dong tan van slippers", "dong ton van slippery", "dong ton van 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 ton 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 ton van slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dong ton van slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dong ton van slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.