Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
chau tinh » cuu tinh, cua tinh, cac tinh
quan han » quan hanh, quanh han, quan hai
tong anh » trong anh, tong panh, dong anh
tuan ban » tuan bang, toan ban, luan ban
ha tinh » va tinh, may tinh
quan ha » quan he

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho ((chau tinh) or (ha tinh)) - hanh trinh ((quan han) OR (quan ha)) tong anh tuan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chau tinh) OR (ha tinh)) - hanh trinh ((quan han) OR (quan ha)) tong anh tuan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((chau tinh) or (ha tinh)) - hanh trinh ((quan han) OR (quan ha)) tong anh tuan ban".
• Adding a wildcard symbol may retrieve word variants: ho ((chau tinh) or (ha tinh)) - hanh trinh ((quan han) OR (quan ha)) tong anh tuan ban*.