Perhaps you should try some spelling variations:
luan chung » luan chinh
thong than » thong thanh, thong phan, thong nhan
tieu xanh » tieu danh, chieu xanh, dieu hanh
luat cong » thuat cong, luat chung, cua cong
anh tang » anh bang, anh dang, anh nang
tuan cau » toan cau, tuan cu, thuan cam
quan cau » quang cao, toan cau, quan ha

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo tieu xanh - anh tang ((luat cong) or (luan chung)) thong than ((tuan cau) OR (quan cau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu xanh - anh tang ((luat cong) OR (luan chung)) thong than ((tuan cau) OR (quan cau)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo tieu xanh - anh tang ((luat cong) or (luan chung)) thong than ((tuan cau) OR (quan cau))".
• Adding a wildcard symbol may retrieve word variants: theo tieu xanh - anh tang ((luat cong) or (luan chung)) thong than ((tuan cau) OR (quan cau))*.