Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"trong mot can snippets" » "trong mot code snippets", "trong moi can snippets", "trong trot can snippets", "trong hoat can snippets", "trong mat can snippets", "trong mot cai snippets", "trong mot cay 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 ("trong mot can 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 mot can snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( dung java java snippets ) or ( trong mot can snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung java java snippets") or ("trong mot can snippets"))) or ("locating bug core snippets"))*.