Perhaps you should try some spelling variations:
trinh toan » tinh toan, thanh toan, trinh han
tieu manh » tien manh, hieu manh, tieu danh
tang luan » dung luan
luan dong » luan cong, quan dong, luan nong
dong cong » duong cong, dung cong, dang cong
anh tang » anh bang, anh dang, anh nang
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 manh - anh tang luan dong cong trinh toan cau~.
• Adding a wildcard symbol may retrieve word variants: theo tieu manh - anh tang luan dong cong trinh toan cau*.