Perhaps you should try some spelling variations:
canh trinh » canh tranh, hanh trinh, canh tinh
thong cong » trong cong, tong cong, thong thong
cong dang » cong dong, cong dan, cong dung
nhanh cau » nhanh cay, thanh chau, nhanh ha
thanh cha » thanh ha, thanh nha, thanh phan
trinh va » trinh van, trinh vat, trinh ve
va thong » va thuong, va phuong, he thong
ha tinh » va tinh, may tinh

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho ((ha tinh) or (trieu tinh)) - canh trinh va thong cong dang ((nhanh cau) or (thanh cha))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((ha tinh) OR (trieu tinh)) - canh trinh va thong cong dang ((nhanh cau) OR (thanh cha)).
• Adding a wildcard symbol may retrieve word variants: ho ((ha tinh) or (trieu tinh)) - canh trinh va thong cong dang ((nhanh cau) or (thanh cha))*.