Perhaps you should try some spelling variations:
trieu minh » trieu tinh, trien minh, trinh minh
trien kinh » tri kinh, trinh kinh, trien dich
nhung cong » dung cong, thong cong, hang cong
cua nhung » va nhung
hanh ban » thanh ban, hang ban, hanh han
hanh san » thanh san, khach san, thanh son
cong san » cong tac
san toan » van toan, dan toan, manh toan
toan cau » toan cao, toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((trieu minh) or (trien kinh)) - ((hanh ban) OR (hanh san)) cua nhung cong san toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((trieu minh) OR (trien kinh)) - ((hanh ban) OR (hanh san)) cua nhung cong san toan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((trieu minh) or (trien kinh)) - ((hanh ban) OR (hanh san)) cua nhung cong san toan cau".
• Adding a wildcard symbol may retrieve word variants: hoc ((trieu minh) or (trien kinh)) - ((hanh ban) OR (hanh san)) cua nhung cong san toan cau*.