Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
hanh manh » hanh mang, lanh manh, hoang manh
cua nhung » va nhung
cong tan » cong tac, cong san, cong thanh
tan toan » tan tran, tap toan, van toan
toan cau » toan cao, toan ban, toan tap
ho chua » ho chung
ho chu » hoi chu, cho chu, hoc chu

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

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