Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, thien danh
hanh trang » thanh trung, canh tranh, hanh trinh
nhung cong » dung cong, thong cong, hang cong
thien anh » thien danh, tien anh, thien thanh
hieu manh » chieu xanh, hieu nganh, dieu hanh
cong tinh » cong trinh, cong vinh, long tinh
trang va » tran van, hang va
toan cau » toan cao, toan ban, toan tap

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) or (thien anh))) or (hieu manh)) - hanh trang va nhung cong tinh toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((((thieu xanh) OR (thien anh))) OR (hieu manh)) - hanh trang va nhung cong tinh toan cau.
• Adding a wildcard symbol may retrieve word variants: hoc ((((thieu xanh) or (thien anh))) or (hieu manh)) - hanh trang va nhung cong tinh toan cau*.