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