Perhaps you should try some spelling variations:
thien hach » thien thanh, hien hanh
hanh tranh » canh tranh, hanh trinh, hanh trang
cong thanh » dong thanh, cong trinh, cong tan
hoc thien » hoc hien, hoc thieu, hoc thiet
tranh cua » doanh cua, manh cua
cong cong » cong dong, trong cong, dung cong
thanh can » thanh san, thanh van, thanh tan
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: hoc thien hach - hanh tranh cua cong cong thanh can cau~.
• Adding a wildcard symbol may retrieve word variants: hoc thien hach - hanh tranh cua cong cong thanh can cau*.