Perhaps you should try some spelling variations:
thanh trung » thanh tung
theo trieu » theo tieu, theo chieu
hanh trang » canh tranh, hanh trinh, minh trang
nhung cong » dung cong, thong cong, hang cong
thep tieu » theo tieu, thep thiet, thep viet
cua nhung » va nhung
cong dan » cong san, cong tan, huong dan
dan toan » van toan, dan than, manh toan
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 trieu) OR (thep tieu)) tinh - ((hanh trang) or (thanh trung)) cua nhung cong dan toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo trieu) OR (thep tieu)) tinh - ((hanh trang) OR (thanh trung)) cua nhung cong dan toan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((theo trieu) OR (thep tieu)) tinh - ((hanh trang) or (thanh trung)) cua nhung cong dan toan cau".
• Adding a wildcard symbol may retrieve word variants: ((theo trieu) OR (thep tieu)) tinh - ((hanh trang) or (thanh trung)) cua nhung cong dan toan cau*.