Perhaps you should try some spelling variations:
dong doanh » dung doanh, trong doanh, doanh doanh
tieu xanh » tieu danh, chieu xanh, dieu hanh
luan nang » luan van, van nang, luan san
nang dong » nang song, lang dong, nang luong
anh dung » anh dong, anh huong, sach dung
nhan cau » nhanh cau, phan cau, nhan sau

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo tieu xanh - anh dung luan nang dong doanh nhan cau~.
• Adding a wildcard symbol may retrieve word variants: theo tieu xanh - anh dung luan nang dong doanh nhan cau*.