Perhaps you should try some spelling variations:
"dang dieu data snippets" » "dang lieu data snippets", "dang dieu hat snippets", "dang bieu dat snippets", "dan dieu data snippets", "dung dieu data snippets", "dong dieu data snippets", "dang dieu data slippers"
"hang java java snippets" » "hang va java snippets", "hang java java slippers"
"locating bug code snippets" » "locating bug code slippers", "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: (((("dang dieu data snippets") or ("hang java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dang dieu data snippets") OR ("hang java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dang dieu data snippets ) or ( hang java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dang dieu data snippets") or ("hang java java snippets"))) or ("locating bug code snippets"))*.