Perhaps you should try some spelling variations:
"nong thong cad snippets" » "nong thon cad snippets", "dong thong cad snippets", "cong thong cad snippets", "nong thong cac snippets", "nong thong cap snippets", "nong thong cau snippets"
"hang java java snippets" » "hang 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: (((("nong thong cad snippets") or ("hang java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("nong thong cad snippets") OR ("hang java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nong thong cad snippets ) or ( hang java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nong thong cad snippets") or ("hang java java snippets"))) or ("locating bug code snippets"))*.