Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dung pham doi snippets" » "dung pham code snippets", "dung phan doi snippets", "hung pham doi snippets", "tung pham doi snippets", "dung pham do snippets", "dung pham moi snippets", "dung pham voi snippets"
"dung java java snippets" » "dung va java 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: (((("dung pham doi snippets") or ("dung java java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung pham doi snippets") OR ("dung java java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( dung pham doi snippets ) or ( dung java java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung pham doi snippets") or ("dung java java snippets"))) or ("locating bug core snippets"))*.