Perhaps you should try some spelling variations:
"trinh bang che snippets" » "trinh bong che snippets", "trinh ban che snippets", "tinh bang che snippets", "trinh sang che snippets", "trinh bang cho snippets", "trinh bang he snippets"
"using a code snippets" » "using a 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: (((("using a code snippets") or ("trinh bang che snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("using a code snippets") OR ("trinh bang che snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( using a code snippets ) or ( trinh bang che snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("using a code snippets") or ("trinh bang che snippets"))) or ("locating bug code snippets"))*.