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
dung cong » dung trong
cua dung » cua dang, cua dong, qua dung
san tran » tan tran, dang tran, san trung
ban tran » ban trang, tan tran, ban than

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 dung cong ((san tran) OR (ban tran)) cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc hien xanh - hanh trinh cua dung cong ((san tran) OR (ban tran)) cau".
• Adding a wildcard symbol may retrieve word variants: hoc hien xanh - hanh trinh cua dung cong ((san tran) OR (ban tran)) cau*.