Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
duong cong » dung cong, luong cong, duong trong
hoc thieu » toc thieu, hoc hien
dong cong » dung cong, dang cong, cong cong
anh dang » anh dong, anh dung, anh bang
dang cua » dung cua, dong cua, mang cua
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: hoc thieu xanh - anh dang cua ((dong cong) or (duong cong)) tac tren cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - anh dang cua ((dong cong) OR (duong cong)) tac tren cau.
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - anh dang cua ((dong cong) or (duong cong)) tac tren cau*.