Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
chieu sang » chieu sach, chieu xanh, hieu lang
trinh quan » tinh quang, trinh luat, trinh han
hieu manh » chieu xanh, hieu nganh, dieu hanh
dong dan » dong danh, duong dan, dong san
phan cau » phan dau, phan tu, phan lap
phan cac » nhan cach, phan dau, phan lap
quan ha » quan he
ha dong » hoat dong, van dong

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi ((hieu manh) or (chieu sang)) - hanh trinh quan ha dong dan ((phan cau) or (phan cac))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((hieu manh) OR (chieu sang)) - hanh trinh quan ha dong dan ((phan cau) OR (phan cac)).
• Adding a wildcard symbol may retrieve word variants: doi ((hieu manh) or (chieu sang)) - hanh trinh quan ha dong dan ((phan cau) or (phan cac))*.