Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh
thien danh » thien dang, thien thanh, thien chanh
hanh trang » thanh trung, canh tranh, hanh trinh
thien anh » tien anh, thien thanh, thien chanh
hang cong » dang cong, hang nong, bang cong
trang va » tran van, hang va
cong tan » cong tac, cong san, cong thanh
tan phan » toan phan, than phan, van phan
phan cau » phan dau, phan cac, phan tu
va hang » van hang, va nang, va lang

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 danh))) or (thien anh)) - hanh trang va hang cong tan phan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((((thieu xanh) OR (thien danh))) OR (thien anh)) - hanh trang va hang cong tan phan cau*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((((thieu xanh) OR (thien danh))) or (thien anh)) - hanh trang va hang cong tan phan cau*".