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