Perhaps you should try some spelling variations:
tieu xanh » tieu danh, chieu xanh, tien anh
tuong dan » huong dan, tung dan, xuong dan
anh tang » anh bang, anh dang, anh nang
tang cua » mang cua, hang cua, tang luan
cua nhan » ca nhan, cua ngan, cua nha
tong dan » thong dan, trong dan, cong dan
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: theo ((tieu xanh) or (dieu hanh)) - anh tang cua nhan ((tong dan) or (tuong dan)) toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((tieu xanh) OR (dieu hanh)) - anh tang cua nhan ((tong dan) OR (tuong dan)) toan cau.
• Adding a wildcard symbol may retrieve word variants: theo ((tieu xanh) or (dieu hanh)) - anh tang cua nhan ((tong dan) or (tuong dan)) toan cau*.