Perhaps you should try some spelling variations:
hanh trang » thanh trung, canh tranh, hanh trinh
hanh trung » thanh trung, manh trung, danh trung
trinh toan » tinh toan, thanh toan, trinh han
dang cong » dung cong
thi lieu » tai lieu, thi lien, thi dieu
cua dang » cua cong, cua ban
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: ((thi lieu) or (theo tieu)) tinh - ((hanh trung) OR (hanh trang)) cua dang cong trinh toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((thi lieu) OR (theo tieu)) tinh - ((hanh trung) OR (hanh trang)) cua dang cong trinh toan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((thi lieu) or (theo tieu)) tinh - ((hanh trung) OR (hanh trang)) cua dang cong trinh toan cau".
• Adding a wildcard symbol may retrieve word variants: ((thi lieu) or (theo tieu)) tinh - ((hanh trung) OR (hanh trang)) cua dang cong trinh toan cau*.