Perhaps you should try some spelling variations:
"hoc nganh thin slippers" » "hoc nganh tin slippers", "hoc nganh thanh slippers", "hoc nganh tai slippers", "hoc nhanh thin slippers", "hoc nganh thin slippery", "hoc nganh 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 ("hoc nganh 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 ("hoc nganh thin slippers"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung java java snippets ) or ( hoc nganh thin slippers ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung java java snippets") or ("hoc nganh thin slippers"))) or ("locating bug code snippets"))*.