Perhaps you should try some spelling variations:
"cong trinh cong snippets" » "cong trinh dung snippets"
"tuong cay code snippets" » "trong cay code snippets", "thong cay code snippets", "truong cao code snippets", "tuong cay co snippets", "tuong cay cong snippets", "tuong cay coc snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets"

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("tuong cay code snippets") or ("cong trinh cong snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tuong cay code snippets") OR ("cong trinh cong snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tuong cay code snippets ) or ( cong trinh cong snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tuong cay code snippets") or ("cong trinh cong snippets"))) or ("locating bug code snippets"))*.