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