Perhaps you should try some spelling variations:
"dong cach tranh slippers" » "dong canh tranh slippers", "dong sach tranh slippers", "dong cac thanh slippers", "dong cac tranh slippers", "dong bach tranh slippers", "phong cach tranh slippers", "dong cach tranh slippery", "dong cach tranh 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 cach tranh 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 cach tranh slippers") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dong cach tranh slippers ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dong cach tranh slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))*.