Perhaps you should try some spelling variations:
khong cong » thong cong, khong cang, chong cong
cong thanh » dong thanh, cong trinh, cong tan
hanh tung » thanh tung, manh tung, hanh dung
hua khong » hoa khong, cua khong, hoac khong
thanh can » thanh san, thanh van, thanh tan
soc dieu » hoc dieu, so dieu, bo dieu
do dieu » bo dieu, so dieu, da dieu
can cau » van cau, ban cau, ca cau

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((do dieu) or (soc dieu)) hanh - ((hanh tung) or (canh tranh)) hua khong cong thanh can cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((do dieu) OR (soc dieu)) hanh - ((hanh tung) OR (canh tranh)) hua khong cong thanh can cau.
• Adding a wildcard symbol may retrieve word variants: ((do dieu) or (soc dieu)) hanh - ((hanh tung) or (canh tranh)) hua khong cong thanh can cau*.