Perhaps you should try some spelling variations:
"trinh nhan va slippers" » "trinh han va slippers", "trinh phan va slippers", "trinh nha va slippers", "trinh nhan tai slippers", "trinh nhan dan slippers", "trinh nhan tao slippers", "trinh nhan va slippery", "trinh nhan va grippers"
"dung java java snippets" » "dung va java snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core 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 nhan va slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("trinh nhan va slippers") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( trinh nhan va slippers ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("trinh nhan va slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))*.