Perhaps you should try some spelling variations:
"trinh phan lam slippers" » "trinh han lam slippers", "trinh quan lam slippers", "thanh phan lam slippers", "trinh phang lam slippers", "trinh phan lap slippers", "trinh phan lan slippers", "trinh phan lam slippery", "trinh phan lam 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 phan lam 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 phan lam slippers") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( trinh phan lam slippers ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("trinh phan lam slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))*.