Perhaps you should try some spelling variations:
"phap quy trinh slippers" » "phap qua trinh slippers", "phap quy dinh slippers", "phap quay trinh slippers", "pham quy trinh slippers", "phap qui trinh slippers", "phap quy trinh slippery", "phap quy 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: (((("phap quy 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: (((("phap quy trinh slippers") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phap quy trinh slippers ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phap quy trinh slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))*.