Perhaps you should try some spelling variations:
"trinh do code snippets" » "trinh ky code snippets"
"dong hoc code snippets" » "dong co code snippets", "dong luc code snippets", "dong hoc co snippets", "dong hoc cong snippets", "dong hoc de snippets"
"locating bug code slippers" » "locating bung code slippers", "locating bugs code slippers"

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

• Performing a fuzzy search may retrieve terms with similar spellings: (((("trinh do code snippets") or ("dong hoc code snippets"))) or ("locating bug code slippers"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("trinh do code snippets") OR ("dong hoc code snippets"))) OR ("locating bug code slippers"))*.
• Removing quotes may allow a broader search: (((( trinh do code snippets ) or ( dong hoc code snippets ))) or ( locating bug code slippers ))*.