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