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