Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
hanh trinh » canh tranh, hanh chinh
thuat cong » thuat song, thuat trong, thu cong
hoc thieu » toc thieu, hoc hien
luat cong » luat chung, cua cong, luat canh
cong tang » cong thang, cong tan, cong lang
tang quan » tang luan, nang quan, tong quan
quan ha » 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 ((luat cong) OR (thuat cong)) cong tang quan ha~".
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - hanh trinh ((luat cong) OR (thuat cong)) cong tang quan ha*.