Perhaps you should try some spelling variations:
"chung cho cong snippets" » "chung chou cong snippets", "chung chi cong snippets", "chung co cong snippets", "chung cao cong snippets", "chung cua cong snippets", "chung cac cong snippets"
"dong cac code snippets" » "duong cac code snippets", "dong bac code snippets", "dung cac code snippets", "dong cac cong snippets", "dong cac co snippets", "dong cac che 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: (((("chung cho cong snippets") or ("dong cac code snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("chung cho cong snippets") OR ("dong cac code snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( chung cho cong snippets ) or ( dong cac code snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chung cho cong snippets") or ("dong cac code snippets"))) or ("locating bug code snippets"))*.