Perhaps you should try some spelling variations:
"using raw code snippets" » "using real code snippets", "using a code snippets", "using low code snippets", "using rate code snippets"
"trinh java java slippers" » "trinh java java slippery", "trinh java java grippers"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code 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: (((("trinh java java slippers") or ("using raw code snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("trinh java java slippers") OR ("using raw code snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( trinh java java slippers ) or ( using raw code snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("trinh java java slippers") or ("using raw code snippets"))) or ("locating bug code snippets"))*.