Perhaps you should try some spelling variations:
"trinh cham code snippets" » "trinh chat code snippets", "trinh chao code snippets", "trinh han code snippets", "trinh cham core snippets"
"trong cac cong snippets" » "trong cua cong snippets"
"locating bug code snippets" » "locating bug core snippets", "locating bung code snippets", "locating bugs code snippets"

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("trong cac cong snippets") or ("trinh cham code snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("trong cac cong snippets") OR ("trinh cham code snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( trong cac cong snippets ) or ( trinh cham code snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("trong cac cong snippets") or ("trinh cham code snippets"))) or ("locating bug code snippets"))*.