Perhaps you should try some spelling variations:
trinh nhiet » trinh thiet, trinh nghien, trinh viet
trinh dieu » trinh dien, tinh dieu, trinh dinh
cho nguoi » cua nguoi
tieng han » tieng anh
qua danh » qua dan, luan danh, luat danh
nhan hoc » nha hoc, nhan hoa, than hoc
nma hoc » nha hoc

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

• Performing a fuzzy search may retrieve terms with similar spellings: giao ((trinh dieu) or (trinh nhiet)) qua danh cho nguoi viet ((nma hoc) or (nhan hoc)) tieng han~.
• If you are trying to use Boolean operators, they must be ALL CAPS: giao ((trinh dieu) OR (trinh nhiet)) qua danh cho nguoi viet ((nma hoc) OR (nhan hoc)) tieng han.
• Adding a wildcard symbol may retrieve word variants: giao ((trinh dieu) or (trinh nhiet)) qua danh cho nguoi viet ((nma hoc) or (nhan hoc)) tieng han*.