Perhaps you should try some spelling variations:
hanh doanh » hang doanh, chinh doanh, doanh doanh
quoc luong » quoc vuong, quoc cuong, quoc hung
qua luong » qua duong, luan luong, qua chuong
chi xanh » chi anh, chi danh, chi hanh
dong tai » dung tai, luong tai, cong tac
doi chi » doi khi
tai cao » thai cao, tao cao, tai sao

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi chi xanh - hanh doanh ((qua luong) OR (quoc luong)) cong dong tai cao~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi chi xanh - hanh doanh ((qua luong) OR (quoc luong)) cong dong tai cao*".