Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
hanh trinh » canh tranh, hanh chinh
lang chuan » zhang chuan, lang chai, lang cua
hoc thieu » toc thieu, hoc hien
quan cong » qua cong, quan dong, quan long
luan cong » luat cong, luong cong, luan chung
cong lang » cong vang, cong luong, cong quang
chuan he » quan he

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu xanh - hanh trinh ((quan cong) OR (luan cong)) cong lang chuan he~".
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - hanh trinh ((quan cong) OR (luan cong)) cong lang chuan he*.