Perhaps you should try some spelling variations:
trung tuan » trung thanh, trung tam, tran tuan
hanh trung » thanh trung, hanh trang, manh trung
trinh toan » tinh toan, thanh toan, trinh han
tuan dang » tran dang, tuan bang, tuan dung
dang cong » dung cong
tai lieu » vat lieu
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: ((tai lieu) or (theo tieu)) tinh - hanh trung tuan dang cong trinh toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tai lieu) OR (theo tieu)) tinh - hanh trung tuan dang cong trinh toan cau.
• Adding a wildcard symbol may retrieve word variants: ((tai lieu) or (theo tieu)) tinh - hanh trung tuan dang cong trinh toan cau*.