Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"long hanh cad snippets" » "long hanh code snippets", "hong hanh cad snippets", "song hanh cad snippets", "lon hanh cad snippets", "long hanh cac snippets", "long hanh cat snippets", "long hanh cap 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 ("long hanh cad snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung java java snippets") OR ("long hanh cad snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( dung java java snippets ) or ( long hanh cad snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung java java snippets") or ("long hanh cad snippets"))) or ("locating bug core snippets"))*.