Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"hang java java snippets" » "hang va java snippets"
"dung cac data slippers" » "luong cac data slippers", "dung cho data slippers", "dung tai data slippers", "dung cac dan slippers", "dung cac dang slippers", "dung cac dai slippers", "dung cac data slippery", "dung cac data grippers"

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: (((("hang java java snippets") or ("dung cac data slippers"))) or ("locating bugs code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hang java java snippets") OR ("dung cac data slippers"))) OR ("locating bugs code snippets")).
• Removing quotes may allow a broader search: (((( hang java java snippets ) or ( dung cac data slippers ))) or ( locating bugs code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hang java java snippets") or ("dung cac data slippers"))) or ("locating bugs code snippets"))*.