Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
thep tieu » theo tieu, thep thiet, he tieu
thep viet » phap viet, te viet, thai viet
trinh cua » tinh cua, trinh luat, trinh quan
cua trong » cua truong, cua trung, qua trong
tuan cau » quan cau, tuan cu, thuan cam
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: ((thep tieu) OR (thep viet)) tinh - hanh trinh cua trong cong trinh ((tuan cau) or (toan cau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((thep tieu) OR (thep viet)) tinh - hanh trinh cua trong cong trinh ((tuan cau) OR (toan cau)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((thep tieu) OR (thep viet)) tinh - hanh trinh cua trong cong trinh ((tuan cau) or (toan cau))".
• Adding a wildcard symbol may retrieve word variants: ((thep tieu) OR (thep viet)) tinh - hanh trinh cua trong cong trinh ((tuan cau) or (toan cau))*.