Perhaps you should try some spelling variations:
khong cang » thong cong, hong bang, khong dung
hanh trinh » canh tranh, hanh chinh
hieu xanh » chieu xanh, hieu manh, hieu nganh
trinh cua » tinh cua, trinh luat, trinh quan
cua khong » hua khong, cua phuong, cua thuong
doc hieu » toc thieu, hoc thieu, hoc hien
tai phan » tai thanh, tai phong, tai ngan
tac phat » tac pham, tam phat, tan phat

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

• Performing a fuzzy search may retrieve terms with similar spellings: doc hieu xanh - hanh trinh cua khong cang ((tai phan) or (tac phat)) dau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc hieu xanh - hanh trinh cua khong cang ((tai phan) OR (tac phat)) dau.
• Adding a wildcard symbol may retrieve word variants: doc hieu xanh - hanh trinh cua khong cang ((tai phan) or (tac phat)) dau*.