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