Perhaps you should try some spelling variations:
"dong cong che snippets" » "duong cong che snippets", "dung cong che snippets", "dang cong che snippets", "dong cong cho snippets", "dong cong chi snippets", "dong cong chu snippets"
"cuong v code snippets" » "cuong vo code snippets", "cuong ve code snippets", "chuong v code snippets", "cuong v core snippets"
"locating bug code snippets" » "locating bug core 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: (((("cuong v code snippets") or ("dong cong che snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cuong v code snippets") OR ("dong cong che snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cuong v code snippets ) or ( dong cong che snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cuong v code snippets") or ("dong cong che snippets"))) or ("locating bug code snippets"))*.