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