Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"doc cao duoc slippers" » "doc tao duoc slippers", "doc co duoc slippers", "doc cho duoc slippers", "hoc cao duoc slippers", "do cao duoc slippers", "doc dao duoc slippers", "doc cao duoc slippery", "doc cao duoc 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: (((("doc cao duoc slippers") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("doc cao duoc slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( doc cao duoc slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("doc cao duoc slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.