Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dong va tri slippers" » "dung va tri slippers", "dong ha tri slippers", "luong va tri slippers", "dong van tri slippers", "dong va tai slippers", "dong va thi slippers", "dong va tri slippery", "dong va tri 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 va tri 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 va tri slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dong va tri slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dong va tri slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.