Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
hoc thieu » toc thieu, hoc hien
hanh tinh » hanh trinh, nhanh tinh, thanh tinh
hang cong » hang nong, bang cong, thanh cong
dang cong » dung cong
manh toan » thanh toan, anh tuan
tinh cua » trinh cua, sinh cua, tinh chat

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