Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"hoc trong java snippets" » "hoc trinh java snippets", "hoc thuong java snippets", "hoc tieng java snippets", "dot 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: (((("hoc 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: (((("hoc trong java snippets") OR ("using data java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( hoc trong java snippets ) or ( using data java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hoc trong java snippets") or ("using data java snippets"))) or ("locating bug core snippets"))*.