Perhaps you should try some spelling variations:
trien thuat » thien thuat, trien hoat, chien thuat
thieu xanh » chieu xanh, hieu manh, thien anh
tran thuat » trong thuat, tran tuan, tran thuy
nhung cong » dung cong, thong cong, hang cong
hoc thieu » toc thieu, hoc hien
ban chinh » van chinh, hanh chinh, hoan chinh
lan chinh » luan chinh, van chinh, hanh chinh

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc thieu xanh - thanh ((tran thuat) OR (trien thuat)) nhung cong ((ban chinh) or (lan chinh)) ca~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - thanh ((tran thuat) OR (trien thuat)) nhung cong ((ban chinh) OR (lan chinh)) ca.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu xanh - thanh ((tran thuat) OR (trien thuat)) nhung cong ((ban chinh) or (lan chinh)) ca".
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - thanh ((tran thuat) OR (trien thuat)) nhung cong ((ban chinh) or (lan chinh)) ca*.