Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
cong thanh » dong thanh, cong trinh, cong tan
hoc thieu » toc thieu, hoc hien
tang luan » dung luan
luan dung » lan dung, luan dong, luan hung
dung cong » dung trong
anh tang » anh bang, anh dang, anh nang
toan ban » van ban

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 tang luan dung cong thanh ((toan tap) or (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - anh tang luan dung cong thanh ((toan tap) OR (toan ban))*.