Perhaps you should try some spelling variations:
"dong xuan trinh slippers" » "dong qua trinh slippers", "dong xuan dinh slippers", "dong xuan kinh slippers", "hoang xuan trinh slippers", "dinh xuan trinh slippers", "dong cua trinh slippers", "dong xuan trinh slippery", "dong xuan trinh 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: (((("dong xuan trinh slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dong xuan trinh slippers") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dong xuan trinh slippers ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dong xuan trinh slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))*.