Perhaps you should try some spelling variations:
trung doanh » trong doanh, trung thanh, dung doanh
doanh chung » doanh nhung, doanh thuong, doan hung
hanh trung » thanh trung, hanh trang, manh trung
hieu lang » chieu sang, hieu quang, nhieu tang
cong tinh » cong trinh, cong vinh, cong thanh
long tinh » trong tinh, dong tin, loc tinh
luong tin » thong tin, luong tai, luong thi
toan cau » toan cao, toan ban, toan tap
ho hieu » ho chieu, hoi hieu, nho hieu

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho hieu lang - hanh trung doanh chung ((cong tinh) or (((long tinh) OR (luong tin)))) toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho hieu lang - hanh trung doanh chung ((cong tinh) OR (((long tinh) OR (luong tin)))) toan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho hieu lang - hanh trung doanh chung ((cong tinh) or (((long tinh) OR (luong tin)))) toan cau".
• Adding a wildcard symbol may retrieve word variants: ho hieu lang - hanh trung doanh chung ((cong tinh) or (((long tinh) OR (luong tin)))) toan cau*.