Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dung java java snippets" » "dung va java snippets"
"trong cua trong snippets" » "truong cua trong snippets", "thong cua trong snippets", "trong ca trong snippets", "trong cua truong snippets", "trong cua trung snippets", "trong qua trong 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 ("trong cua trong snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung java java snippets") OR ("trong cua trong snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( dung java java snippets ) or ( trong cua trong snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung java java snippets") or ("trong cua trong snippets"))) or ("locating bug core snippets"))*.