Perhaps you should try some spelling variations:
"dot qua trinh slippers" » "dot qua kinh slippers", "dot quy trinh slippers", "vuot qua trinh slippers", "dat quan trinh slippers", "dot qua trinh slippery", "dot qua 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"

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

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