Perhaps you should try some spelling variations:
thien thanh » tien thanh, thi thanh, hien hanh
trong sinh » trong kinh, trong san
tieu xanh » tieu danh, chieu xanh, dieu hanh
anh hoang » thanh hoang, minh hoang, tnhh hoang
sinh toan » tinh toan, hinh toan, minh toan
anh tang » anh bang, anh dang, anh nang
cua dung » cua dang, cua dong, qua dung
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 (thien thanh)) - ((anh tang) or (anh hoang)) cua dung trong sinh toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((tieu xanh) OR (thien thanh)) - ((anh tang) OR (anh hoang)) cua dung trong sinh toan cau.
• Adding a wildcard symbol may retrieve word variants: theo ((tieu xanh) or (thien thanh)) - ((anh tang) or (anh hoang)) cua dung trong sinh toan cau*.