Perhaps you should try some spelling variations:
"trong anh thin slippers" » "truong anh thin slippers", "trong nganh thin slippers", "trong doanh thin slippers", "trong canh thin slippers", "trong danh thin slippers", "trong anh thi slippers", "trong anh thin slippery", "trong anh thin 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 anh thin 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 anh thin slippers") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( trong anh thin slippers ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("trong anh thin slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))*.