Perhaps you should try some spelling variations:
"thong cay code snippets" » "thong xay code snippets", "thong cac code snippets", "thong cap code snippets", "thong cay co snippets", "thong cay cong snippets", "thong cay coc snippets"
"dong cac co snippets" » "duong cac co snippets", "dong bac co snippets", "dung cac co snippets", "dong cac cong snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code 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: (((("dong cac co snippets") or ("thong cay code snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dong cac co snippets") OR ("thong cay code snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dong cac co snippets ) or ( thong cay code snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dong cac co snippets") or ("thong cay code snippets"))) or ("locating bug code snippets"))*.