Perhaps you should try some spelling variations:
"thong cac hoi snippets" » "trong cac hoi snippets", "phong cach hoi snippets", "thong cua hoi snippets", "thong cac thoi snippets", "thong cac khoi snippets", "thong cau hoi snippets"
"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: (((("thong cac hoi snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("thong cac hoi snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thong cac hoi snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thong cac hoi snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.