Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"may trinh cad snippets" » "may trinh code snippets", "may tinh cad snippets", "lap trinh cad snippets", "quy trinh cad snippets", "may trinh cau snippets", "may trinh cac snippets", "may trinh cam 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 cad 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 cad snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( dung java java snippets ) or ( may trinh cad snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung java java snippets") or ("may trinh cad snippets"))) or ("locating bug core snippets"))*.