Perhaps you should try some spelling variations:
"hoi hanh trinh slippers" » "hoi canh tranh slippers", "hoi hanh chinh slippers", "hoi thanh trinh slippers", "hoc hanh trinh slippers", "doi hanh trinh slippers", "hoi hanh trinh slippery", "hoi hanh 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 ("hoi hanh 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 ("hoi hanh trinh slippers"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung java java snippets ) or ( hoi hanh trinh slippers ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung java java snippets") or ("hoi hanh trinh slippers"))) or ("locating bug code snippets"))*.