Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
nhung cong » dung cong, thong cong, hang cong
hien xanh » hien hanh, hien nhanh, chieu xanh
trinh cua » tinh cua, trinh luat, trinh quan
cua nhung » va nhung
van thanh » ban thanh, van tuan
van toan » van tuan, van tan, manh toan

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