Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
hanh trinh » canh tranh, hanh chinh
luat thong » luat thuong, luat trong, xuat thuong
xuat thong » xuat thuong, luat thuong
hoc thieu » toc thieu, hoc hien
trinh ban » trinh han, trinh san, trinh dan
ban cau » bang cau, ban can, van cau

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