Perhaps you should try some spelling variations:
"trinh sat code snippets" » "trinh vat code snippets", "trinh san code snippets", "trinh sau code snippets", "trinh rate code snippets", "trinh sat che snippets", "trinh sat cong snippets"
"dung cua code snippets" » "dung luan code snippets", "dung cho code snippets", "dung cua cong snippets", "dung cua co snippets", "dung bug code snippets"
"locating bug core snippets" » "locating bug 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: (((("trinh sat code snippets") OR ("dung cua code snippets"))) OR ("locating bug core snippets"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"trinh sat code snippets\") OR (\"dung cua code snippets\"))) OR (\"locating bug core snippets\"))".
• Removing quotes may allow a broader search: (((( trinh sat code snippets ) OR ( dung cua code snippets ))) OR ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("trinh sat code snippets") OR ("dung cua code snippets"))) OR ("locating bug core snippets"))*.