Perhaps you should try some spelling variations:
"thong dung code snippets" » "thong cong code snippets", "thong thuong code snippets", "thong dung cong snippets", "thong dung co snippets", "thong dung de snippets", "thong dung code slippers"
"trong can code snippets" » "trong canh code snippets", "trong chan code snippets", "trong cac code snippets", "trong cfd code snippets", "trong can code slippers"
"locating bug code snippets" » "locating bug code slippers", "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: (((("trong can code snippets") or ("thong dung code snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("trong can code snippets") OR ("thong dung code snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( trong can code snippets ) or ( thong dung code snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("trong can code snippets") or ("thong dung code snippets"))) or ("locating bug code snippets"))*.