Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"trong chat cao snippets" » "trong chat code snippets", "trong phat cao snippets", "trong cham cao snippets", "trong chan cao snippets", "trong chat co snippets", "trong chat cho snippets", "trong chat bao 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 chat cao 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 chat cao snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( dung java java snippets ) or ( trong chat cao snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung java java snippets") or ("trong chat cao snippets"))) or ("locating bug core snippets"))*.