Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
trinh quan » tinh quang, trinh luat, trinh han
thanh toan » thanh hoa, thanh san
quan tong » quan trong, quan dong, quan long
tong cong » trong cong, cong cong, dung cong
manh toan » anh tuan
chao cau » chao chu, chao chao, cao cap
cau sach » cao sach, hau sach, rau sach

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

• Performing a fuzzy search may retrieve terms with similar spellings: chao cau sach - hanh trinh quan tong cong ((((manh toan) or (tinh toan))) or (thanh toan)) cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: chao cau sach - hanh trinh quan tong cong ((((manh toan) OR (tinh toan))) OR (thanh toan)) cao.
• Adding a wildcard symbol may retrieve word variants: chao cau sach - hanh trinh quan tong cong ((((manh toan) or (tinh toan))) or (thanh toan)) cao*.