Perhaps you should try some spelling variations:
hanh trang » thanh trung, canh tranh, hanh trinh
trang cua » tranh cua, tang cua, trung cua
dang cong » dung cong
thi lieu » tai lieu, thi lien, thi dieu
cua dang » cua cong, cua ban
toan cau » toan cao, toan tap, toan tai
toan ban » van ban

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 trang cua dang cong trinh ((toan cau) OR (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((thi lieu) OR (theo tieu)) tinh - hanh trang cua dang cong trinh ((toan cau) OR (toan ban)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((thi lieu) or (theo tieu)) tinh - hanh trang cua dang cong trinh ((toan cau) OR (toan ban))".
• Adding a wildcard symbol may retrieve word variants: ((thi lieu) or (theo tieu)) tinh - hanh trang cua dang cong trinh ((toan cau) OR (toan ban))*.