Perhaps you should try some spelling variations:
"locating bugs code slippers" » "locating bug code slippers"
"trinh viet code snippets" » "ninh viet code snippets", "trinh vat code snippets", "trinh viet co snippets", "trinh viet some 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"

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

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