Perhaps you should try some spelling variations:
doanh hanh » doanh thanh, doanh anh, doanh doanh
nhung cong » dung cong, thong cong, hang cong
trinh toan » tinh toan, thanh toan, trinh han
doc hieu » toc thieu, hoc thieu, hoc hien
chao chu » cho chu, cua chu, cao cho
toan cau » toan cao, toan ban, toan tap
hanh va » hang va, hanh vi

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((doc hieu) or (chao chu)) xanh - doanh hanh va nhung cong trinh toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((doc hieu) OR (chao chu)) xanh - doanh hanh va nhung cong trinh toan cau.
• Adding a wildcard symbol may retrieve word variants: ((doc hieu) or (chao chu)) xanh - doanh hanh va nhung cong trinh toan cau*.