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
hanh ban » thanh ban, hang ban, hanh san
cong san » cong tac
toan cau » toan cao, toan tap, toan tai
toan ban » van ban

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