Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
hanh doanh » hang doanh, chinh doanh, doanh doanh
cong duong » cuong duong, cong dong, con duong
hoc thieu » toc thieu, hoc hien
doanh cua » doanh luan
duong van » duong va, luong va, dang van
quang cao » nang cao, quang nam
quan cau » toan cau, quan ha, quan cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc thieu xanh - hanh doanh cua cong duong van ((quan cau) OR (quang cao))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu xanh - hanh doanh cua cong duong van ((quan cau) OR (quang cao))".
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - hanh doanh cua cong duong van ((quan cau) OR (quang cao))*.