Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"trong trinh cho snippets" » "trong trinh code snippets", "trong tinh cho snippets", "trang trinh cho snippets", "trong thinh cho snippets", "trong trinh chao snippets", "trong trinh co snippets", "trong trinh chat 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: (((("trong trinh cho snippets") or ("dung java java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("trong trinh cho snippets") OR ("dung java java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( trong trinh cho snippets ) or ( dung java java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("trong trinh cho snippets") or ("dung java java snippets"))) or ("locating bug core snippets"))*.