Perhaps you should try some spelling variations:
thieu xanh » thien anh, thien danh
chieu xanh » chieu sach, chieu sang, chieu tinh
hanh trang » thanh trung, canh tranh, hanh trinh
nhung cong » dung cong, thong cong, hang cong
hieu manh » hieu nganh, dieu hanh, hien hanh
trang va » tran van, hang va
cong van » cong vang, cong san, song van
van toan » van tuan, van tan, van thanh
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) or (((hieu manh) OR (chieu xanh)))) - hanh trang va nhung cong van toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thieu xanh) OR (((hieu manh) OR (chieu xanh)))) - hanh trang va nhung cong van toan tap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((thieu xanh) or (((hieu manh) OR (chieu xanh)))) - hanh trang va nhung cong van toan tap".
• Adding a wildcard symbol may retrieve word variants: hoc ((thieu xanh) or (((hieu manh) OR (chieu xanh)))) - hanh trang va nhung cong van toan tap*.