Perhaps you should try some spelling variations:
thanh tuong » thanh thuong, thanh tung, thanh huong
hien xanh » hien hanh, hien nhanh, chieu xanh
tuong cua » truong cua, huong cua, thong cua
cua nong » cua cong, cuu nong, cua dong
cong dan » cong san, huong dan, cong dong
cong tan » cong tac, cong san, cong thanh
than ban » thanh ban, toan ban, than man

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 - thanh tuong cua nong ((cong dan) OR (cong tan)) than ban~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc hien xanh - thanh tuong cua nong ((cong dan) OR (cong tan)) than ban".
• Adding a wildcard symbol may retrieve word variants: hoc hien xanh - thanh tuong cua nong ((cong dan) OR (cong tan)) than ban*.