Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"python using java slippers" » "python using data slippers", "python using java slippery", "python using java grippers"
"nhan va lua snippets" » "nhan tai lua snippets", "nhan dan lua snippets", "nhan tao lua snippets", "nhan va luat snippets", "nhan ca lua snippets", "nhan vi lua 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: (((("python using java slippers") or ("nhan va lua snippets"))) or ("locating bugs code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java slippers") OR ("nhan va lua snippets"))) OR ("locating bugs code snippets")).
• Removing quotes may allow a broader search: (((( python using java slippers ) or ( nhan va lua snippets ))) or ( locating bugs code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java slippers") or ("nhan va lua snippets"))) or ("locating bugs code snippets"))*.