Perhaps you should try some spelling variations:
thieu xanh » hieu manh, thien anh, thien danh
chieu xanh » chieu sach, chieu sang, chieu tinh
luan thong » luan phong, luan tuong, luat thong
tang luan » dung luan
thong tac » thong cac, tuong tac, thong tai
anh tang » anh bang, anh dang, anh nang
tac tren » rac tren, tai tren, tap tren
tren cau » tren ca, tren cay, tren tau

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc ((thieu xanh) OR (chieu xanh)) - anh tang luan thong thong tac tren cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "toc ((thieu xanh) OR (chieu xanh)) - anh tang luan thong thong tac tren cau".
• Adding a wildcard symbol may retrieve word variants: toc ((thieu xanh) OR (chieu xanh)) - anh tang luan thong thong tac tren cau*.