Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"cong tinh java snippets" » "cong trinh java snippets", "cong vinh java snippets", "cong thanh java snippets", "cong think java snippets", "cong tinh va snippets"
"dung java java slippers" » "dung va java slippers", "dung java java slippery", "dung java 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: (((("cong tinh java snippets") or ("dung java java slippers"))) or ("locating bugs code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cong tinh java snippets") OR ("dung java java slippers"))) OR ("locating bugs code snippets")).
• Removing quotes may allow a broader search: (((( cong tinh java snippets ) or ( dung java java slippers ))) or ( locating bugs code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cong tinh java snippets") or ("dung java java slippers"))) or ("locating bugs code snippets"))*.