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