Perhaps you should try some spelling variations:
"trong giang dan slippers" » "truong giang dan slippers", "trong giong dan slippers", "trong tieng dan slippers", "trong gian dan slippers", "trong giang day slippers", "trong giang van slippers", "trong giang dan slippery", "trong giang dan 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"

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("trong giang dan 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 giang dan slippers") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( trong giang dan slippers ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("trong giang dan slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))*.