Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"ngu java java snippets" » "ngu va java snippets"
"dong tin java slippers" » "thong tin java slippers", "luong tin java slippers", "dong kinh java slippers", "dong trinh java slippers", "dong think java slippers", "dong tin va slippers", "dong tin java slippery", "dong tin java grippers"

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: (((("ngu java java snippets") or ("dong tin java slippers"))) or ("locating bugs code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("ngu java java snippets") OR ("dong tin java slippers"))) OR ("locating bugs code snippets")).
• Removing quotes may allow a broader search: (((( ngu java java snippets ) or ( dong tin java slippers ))) or ( locating bugs code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("ngu java java snippets") or ("dong tin java slippers"))) or ("locating bugs code snippets"))*.