Perhaps you should try some spelling variations:
"dung knnphang code snippets" » "dung khang code snippets", "dung knnphang code slippers"
"locating bugs code snippets" » "locating bug code snippets", "locating bugs code slippers"
"can o code snippets" » "can bo code snippets", "can ho code snippets", "chan o code snippets", "can o code slippers"

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