Perhaps you should try some spelling variations:
"dong linh phi slippers" » "duong linh phi slippers", "dong kinh phi slippers", "dong ninh phi slippers", "dong linh chi slippers", "dong tinh phu slippers", "dong linh phi slippery", "dong linh phi 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: (((("dong linh phi slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dong linh phi slippers") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dong linh phi slippers ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dong linh phi slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))*.