Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dat hang cua snippets" » "dat hang code snippets", "dat khanh cua snippets", "dat quang cua snippets", "tat thang cua snippets", "dat mang cua snippets", "dat hang ca snippets", "dat huong cua snippets"
"dung java java snippets" » "dung va java snippets"

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 ("dat hang cua snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung java java snippets") OR ("dat hang cua snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( dung java java snippets ) or ( dat hang cua snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung java java snippets") or ("dat hang cua snippets"))) or ("locating bug core snippets"))*.