Perhaps you should try some spelling variations:
thien thanh » tien thanh, thi thanh, hien hanh
hoc thien » hoc hien, hoc thieu, hoc thiet
canh manh » lanh manh, canh tranh, cach mang
cua nhung » va nhung
manh cua » doanh cua, ban cua
cong dan » cong san, huong dan, cong dong
cong tan » cong tac, cong san, cong thanh

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc thien thanh - canh manh cua nhung ((cong dan) or (cong tan)) phan tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thien thanh - canh manh cua nhung ((cong dan) OR (cong tan)) phan tu.
• Adding a wildcard symbol may retrieve word variants: hoc thien thanh - canh manh cua nhung ((cong dan) or (cong tan)) phan tu*.