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