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
manh toan » thanh toan, tinh toan
canh ban » can ban, canh dan, canh van
ban quan » van quan

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

• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - canh ban quan ((thong cong) OR (tong cong)) ((manh toan) OR (anh tuan)) cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu xanh - canh ban quan ((thong cong) OR (tong cong)) ((manh toan) or (anh tuan)) cau~".
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - canh ban quan ((thong cong) OR (tong cong)) ((manh toan) or (anh tuan)) cau*.