Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"trinh quan da snippets" » "trinh quan code snippets", "tinh quang da snippets", "trinh luat da snippets", "trinh han da snippets", "trinh quan dac snippets", "trinh quan ha snippets", "trinh quan va 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 da 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 da snippets") OR ("dung java java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( trinh quan da snippets ) or ( dung java java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("trinh quan da snippets") or ("dung java java snippets"))) or ("locating bug core snippets"))*.