Perhaps you should try some spelling variations:
"hanh java java snippets" » "hanh va java snippets"
"dung cac thuc slippers" » "luong cac thuc slippers", "dung cho thuc slippers", "dung tai thuc slippers", "dung cach thuc slippers", "dung cac thu slippers", "dung can thuc slippers", "dung cac thuc slippery", "dung cac thuc grippers"
"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: (((("hanh java java snippets") or ("dung cac thuc slippers"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hanh java java snippets") OR ("dung cac thuc slippers"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hanh java java snippets ) or ( dung cac thuc slippers ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hanh java java snippets") or ("dung cac thuc slippers"))) or ("locating bug code snippets"))*.