Perhaps you should try some spelling variations:
"sinh doc trinh slippers" » "sinh doc tinh slippers", "sinh doi trinh slippers", "sinh hoc trinh slippers", "sinh duoc trinh slippers", "dinh doc trinh slippers", "sinh doc trinh slippery", "sinh doc trinh 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: (((("sinh doc trinh slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("sinh doc trinh slippers") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( sinh doc trinh slippers ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("sinh doc trinh slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))*.