Perhaps you should try some spelling variations:
"trong mach code snippets" » "trong cac code snippets", "trong minh code snippets", "trong anh code snippets", "trong mach code slippers"
"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", "dong cac 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 mach code snippets") or ("dong cac code snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("trong mach code snippets") OR ("dong cac code snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( trong mach code snippets ) or ( dong cac code snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("trong mach code snippets") or ("dong cac code snippets"))) or ("locating bug code snippets"))*.