Perhaps you should try some spelling variations:
"nguyen can minh chi" » "nguyen van minh chi", "nguyen xuan minh chi", "nguyen cong minh chi", "nguyen cao minh chi", "nguyen ban minh chi", "nguyen can dinh chi", "nguyen can linh chi", "nguyen can minh chau"
"nguyen nhu minh khai" » "nguyen huu minh khai", "nguyen huy minh khai", "nguyen tu minh khai", "nguyen nhu minh khue", "nguyen nhu minh chau", "nguyen nhu minh thao", "nguyen thu minh khai", "nguyen nhu binh khai", "nguyen phu minh khai"
"nguyen thi minh pham" » "nguyen thi minh chau", "nguyen thi dinh phap", "nguyen thi minh thao", "nguyen chi minh pham", "nguyen thi hanh pham", "nguyen thi bich pham"

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("nguyen can minh chi") or ((("nguyen nhu minh khai") or ("nguyen thi minh pham"))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("nguyen can minh chi") OR ((("nguyen nhu minh khai") OR ("nguyen thi minh pham")))).
• Removing quotes may allow a broader search: (( nguyen can minh chi ) or ((( nguyen nhu minh khai ) or ( nguyen thi minh pham )))).
• Adding a wildcard symbol may retrieve word variants: (("nguyen can minh chi") or ((("nguyen nhu minh khai") or ("nguyen thi minh pham"))))*.