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