Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
nhung cong » dung cong, thong cong, hang cong
mot chieu » doi chieu, ho chieu
trinh cua » tinh cua, trinh luat, trinh quan
cua nhung » va nhung
manh toan » thanh toan, anh tuan, tinh toan
dan toan » van toan, dan than, xuan toan
doi chi » doi khi

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((mot chieu) or (doi chi)) tinh - hanh trinh cua nhung cong ((dan toan) or (manh toan)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((mot chieu) OR (doi chi)) tinh - hanh trinh cua nhung cong ((dan toan) OR (manh toan)) cau.
• Adding a wildcard symbol may retrieve word variants: ((mot chieu) or (doi chi)) tinh - hanh trinh cua nhung cong ((dan toan) or (manh toan)) cau*.