Perhaps you should try some spelling variations:
"nang phat trinh slippers" » "nang thuat trinh slippers", "nang phat trien slippers", "nang phat thanh slippers", "hang phat trinh slippers", "nang phan trinh slippers", "nhung phat trinh slippers", "nang phat trinh slippery", "nang phat 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: (((("dung java java snippets") or ("nang phat trinh slippers"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung java java snippets") OR ("nang phat trinh slippers"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung java java snippets ) or ( nang phat trinh slippers ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung java java snippets") or ("nang phat trinh slippers"))) or ("locating bug code snippets"))*.