Perhaps you should try some spelling variations:
tuong cong » truong cong, trong cong, tong cong
dang thanh » dong thanh, hoang thanh, quang thanh
hieu xanh » chieu xanh, hieu manh, hieu nganh
dang hanh » ban hanh, dang van, dang hung
doc hieu » toc thieu, hoc thieu, hoc hien
chinh va » chinh ta, chinh tai, hanh va
va tuong » va thuong, va thong, xa truong

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

• Performing a fuzzy search may retrieve terms with similar spellings: doc hieu xanh - hanh chinh va tuong cong ((dang thanh) or (dang hanh)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc hieu xanh - hanh chinh va tuong cong ((dang thanh) OR (dang hanh)) cau.
• Adding a wildcard symbol may retrieve word variants: doc hieu xanh - hanh chinh va tuong cong ((dang thanh) or (dang hanh)) cau*.