Perhaps you should try some spelling variations:
hanh trang » thanh trung, canh tranh, hanh trinh
thieu xanh » chieu xanh, hieu manh, thien anh
nhung cong » dung cong, thong cong, hang cong
vang toan » van toan, quang toan, vang trang
dang toan » dang tran, dan toan, dung toan
tien anh » tieng anh, tien manh, dien anh
trang va » tran van, hang va

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