Perhaps you should try some spelling variations:
"quang vinh trinh snippets" » "quang ninh trinh snippets", "quang binh trinh snippets", "quang minh trinh snippets", "quang dinh trinh snippets", "quang sinh trinh snippets", "quang hanh trinh snippets", "quang vinh trinh slippers"
"dung cua code snippets" » "dung luan code snippets", "dung cho code snippets", "dung cua cong snippets", "dung cua co snippets", "dung cfd code snippets", "dung cua 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: (((("quang vinh trinh snippets") or ("dung cua code snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("quang vinh trinh snippets") OR ("dung cua code snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( quang vinh trinh snippets ) or ( dung cua code snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("quang vinh trinh snippets") or ("dung cua code snippets"))) or ("locating bug code snippets"))*.