Perhaps you should try some spelling variations:
"hanh dieu trinh slippers" » "hanh tieu trinh slippers", "hanh dieu tri slippers", "hanh diep tinh slippers", "han dieu trinh slippers", "hinh dieu trinh slippers", "hoang dieu trinh slippers", "hanh dieu trinh slippery", "hanh dieu 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 ("hanh dieu 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 ("hanh dieu trinh slippers"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung java java snippets ) or ( hanh dieu trinh slippers ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung java java snippets") or ("hanh dieu trinh slippers"))) or ("locating bug code snippets"))*.