Perhaps you should try some spelling variations:
hanh trung » thanh trung, hanh trang, manh trung
hien xanh » hien hanh, hien nhanh, chieu xanh
trung cua » truong cua, trung tuan, trung cap
cua nhung » va nhung
cong dan » cong san, huong dan, cong dong
cong tan » cong tac, cong san, cong thanh
chan tu » phan tu, han tu, chon tu

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 trung cua nhung ((cong dan) or (cong tan)) chan tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hien xanh - hanh trung cua nhung ((cong dan) OR (cong tan)) chan tu.
• Adding a wildcard symbol may retrieve word variants: hoc hien xanh - hanh trung cua nhung ((cong dan) or (cong tan)) chan tu*.