Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
hanh trinh » canh tranh, hanh chinh
luat chung » luat thuong, cua chung, luat cong
luan chung » luan chinh
hoc thieu » toc thieu, hoc hien
cong tinh » cong trinh, cong vinh, long tinh
toan cau » toan cao, toan ban, toan tap

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 trinh ((luat chung) or (luan chung)) cong tinh toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - hanh trinh ((luat chung) OR (luan chung)) cong tinh toan cau.
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - hanh trinh ((luat chung) or (luan chung)) cong tinh toan cau*.