Perhaps you should try some spelling variations:
"trong phan thi slippers" » "truong phan thi slippers", "trong phat thi slippers", "thong phan thi slippers", "trong pham thi slippers", "trong tran thi slippers", "trong phan tu slippers", "trong phan thi slippery", "trong phan thi 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 phan thi 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 phan thi slippers") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( trong phan thi slippers ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("trong phan thi slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))*.