Perhaps you should try some spelling variations:
hanh trang » thanh trung, canh tranh, hanh trinh
hanh mang » nhanh mang, nhanh lang, thanh hang
bang cong » dang cong, bang song, hang cong
cua bang » chua bang, cua ban, cua dang
cong dan » cong san, cong tan, huong dan
dan phan » doan phan, dan chan, van phan
phan cau » phan dau, phan cac, phan tu

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ((theo tieu) or (hoc hien)) tinh - ((hanh mang) OR (hanh trang)) cua bang cong dan phan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo tieu) OR (hoc hien)) tinh - ((hanh mang) OR (hanh trang)) cua bang cong dan phan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((theo tieu) or (hoc hien)) tinh - ((hanh mang) OR (hanh trang)) cua bang cong dan phan cau".
• Adding a wildcard symbol may retrieve word variants: ((theo tieu) or (hoc hien)) tinh - ((hanh mang) OR (hanh trang)) cua bang cong dan phan cau*.