Perhaps you should try some spelling variations:
"trinh san tinh slippers" » "trinh han tinh slippers", "trinh van tinh slippers", "trinh quan tinh slippers", "trinh ban tinh slippers", "trinh man tinh slippers", "trinh son tinh slippers", "trinh san tinh slippery", "trinh san tinh 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 san tinh 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 san tinh slippers") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( trinh san tinh slippers ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("trinh san tinh slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))*.