Perhaps you should try some spelling variations:
ngang thanh » nang thanh, nganh thanh, ngan thanh
thieu xanh » chieu xanh, hieu manh, thien anh
hoc thieu » toc thieu, hoc hien
lanh manh » lanh tranh, lan anh, van manh
bang cong » dang cong, hang cong, dung cong
bang song » nang song
thanh chu » thanh chau, thanh cha, thanh thu
anh manh » anh anh, anh danh, ranh mach

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 - ((anh manh) OR (lanh manh)) cua ((bang cong) OR (bang song)) ngang thanh chu~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu xanh - ((anh manh) or (lanh manh)) cua ((bang cong) OR (bang song)) ngang thanh chu~".
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - ((anh manh) or (lanh manh)) cua ((bang cong) OR (bang song)) ngang thanh chu*.