Perhaps you should try some spelling variations:
"trong dan anh slippers" » "trong dang anh slippers", "trong san anh slippers", "trong tan anh slippers", "trong dan canh slippers", "trong dan hanh slippers", "trong van anh slippers", "trong dan anh slippery", "trong dan anh 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: (((("trong dan anh slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("trong dan anh slippers") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( trong dan anh slippers ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("trong dan anh slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))*.