Perhaps you should try some spelling variations:
"using java java snippets" » "using data java snippets", "using java java slippers"
"bac ninh java snippets" » "bac trinh java snippets", "xac dinh java snippets", "bac ninh java slippers"
"locating bug code snippets" » "locating bug code slippers", "locating bung code snippets", "locating bugs code snippets", "locating bug core 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: (((("bac ninh java snippets") or ("using java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("bac ninh java snippets") OR ("using java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( bac ninh java snippets ) or ( using java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("bac ninh java snippets") or ("using java java snippets"))) or ("locating bug code snippets"))*.