Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dat trong java snippets" » "dat trinh java snippets", "dot trong java snippets", "vat trong java snippets", "cay trong java snippets"
"using data java snippets" » "using java java snippets", "using sat java snippets", "missing data 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: (((("dat trong java snippets") or ("using data java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dat trong java snippets") OR ("using data java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( dat trong java snippets ) or ( using data java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dat trong java snippets") or ("using data java snippets"))) or ("locating bug core snippets"))*.