Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
luat huong » luat thuong, suat huong, xuat thuong
cong quang » luong quang, thong quang, duong quang
hoc thieu » toc thieu, hoc hien
luat hang » luat hanh, luat chung, luat thanh
cong lang » cong vang, cong luong, cong ngang
toan cao » toan ban, toan tap

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 ((luat hang) OR (luat huong)) ((cong quang) or (cong lang)) toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - hanh chinh ((luat hang) OR (luat huong)) ((cong quang) OR (cong lang)) toan cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu xanh - hanh chinh ((luat hang) OR (luat huong)) ((cong quang) or (cong lang)) toan cao".
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - hanh chinh ((luat hang) OR (luat huong)) ((cong quang) or (cong lang)) toan cao*.