Perhaps you should try some spelling variations:
chieu tinh » trieu tinh, chau tinh, kieu tinh
canh doanh » hanh doanh, chinh doanh, doanh doanh
doanh phan » doanh nhan, doan phan, doanh thanh
trinh quan » tinh quang, trinh luat, trinh han
lieu tinh » trieu tinh, diep tinh, bien tinh
phan dang » phan dau, phan cong, nhan dan
dang cong » dung cong
quan cau » quang cao, toan cau, quan ha

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

• Performing a fuzzy search may retrieve terms with similar spellings: doc ((chieu tinh) OR (lieu tinh)) - canh doanh phan dang cong trinh quan cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doc ((chieu tinh) OR (lieu tinh)) - canh doanh phan dang cong trinh quan cau".
• Adding a wildcard symbol may retrieve word variants: doc ((chieu tinh) OR (lieu tinh)) - canh doanh phan dang cong trinh quan cau*.