Perhaps you should try some spelling variations:
"using java java snippets" » "using data java snippets", "using java java slippers"
"mat trinh java snippets" » "lap trinh java snippets", "sat tinh java snippets", "tao trinh java snippets", "mat trinh 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: (((("mat trinh 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: (((("mat trinh java snippets") OR ("using java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( mat trinh java snippets ) or ( using java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("mat trinh java snippets") or ("using java java snippets"))) or ("locating bug code snippets"))*.