Perhaps you should try some spelling variations:
hanh doanh » hang doanh, chinh doanh, doanh doanh
doanh luan » doanh nhan
phuong tan » phuong tran, phuong tay, phuong lan
hien xanh » hien hanh, hien nhanh, chieu xanh
luan doan » luan hoan, quan doan, luat doanh
tan chan » dan chan, ban chan, can chan
chan cau » phan cau, can cau, chinh cau

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc hien xanh - hanh doanh luan doan phuong tan chan cau~.
• Adding a wildcard symbol may retrieve word variants: hoc hien xanh - hanh doanh luan doan phuong tan chan cau*.