Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
thong cong » trong cong, thong thong, phong chong
hoc thieu » toc thieu, hoc hien
tong cong » trong cong, cong cong, dung cong
lang toan » dang toan, lang thang, lang thanh
chinh ve » chinh va, chinh vi, chinh ke
toan ban » van ban

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 - hanh chinh ve ((thong cong) OR (tong cong)) lang toan ban~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu xanh - hanh chinh ve ((thong cong) OR (tong cong)) lang toan ban*".