Perhaps you should try some spelling variations:
"trinh van code snippets" » "trinh han code snippets", "trinh quan code snippets", "trinh toan code snippets", "trinh van de snippets", "trinh van hoe snippets", "trinh van cong snippets", "trinh van code slippers"
"hoang hai code snippets" » "hang hai code snippets", "hoang nham code snippets", "hoang thi code snippets", "hoang hai con snippets", "hoang hai code slippers"
"locating bug code snippets" » "locating bug code slippers", "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: (((("trinh van code snippets") or ("hoang hai code snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("trinh van code snippets") OR ("hoang hai code snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( trinh van code snippets ) or ( hoang hai code snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("trinh van code snippets") or ("hoang hai code snippets"))) or ("locating bug code snippets"))*.