Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
nhanh tang » nhanh thang, nhanh lang, nhanh mang
luong cong » trong cong, cong cong, tong cong
hoc thieu » toc thieu, hoc hien
tang luan » dung luan
dung cong » dung trong
toan tap » toan 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 - nhanh tang luan ((dung cong) or (luong cong)) tinh toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - nhanh tang luan ((dung cong) OR (luong cong)) tinh toan tap.
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - nhanh tang luan ((dung cong) or (luong cong)) tinh toan tap*.