Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
hien xanh » hien hanh, hien nhanh, chieu xanh
trinh cua » tinh cua, trinh luat, trinh quan
cua nhung » va nhung
thanh cau » thanh chau, thanh mau, nhanh cau
cong van » cong vang, song van, cong tan
cong san » cong tac

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc hien xanh - hanh trinh cua nhung ((cong van) or (cong san)) thanh cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hien xanh - hanh trinh cua nhung ((cong van) OR (cong san)) thanh cau.
• Adding a wildcard symbol may retrieve word variants: hoc hien xanh - hanh trinh cua nhung ((cong van) or (cong san)) thanh cau*.