Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
hanh trang » thanh trung, canh tranh, hanh trinh
trang tuan » tran tuan, trung tuan, trong tuan
dung cuong » dung cong, dang cuong, dung huong
dung luong » dung thuong, dung phuong, dung truong
hoc thieu » toc thieu, hoc hien
dan than » dan chan, ban than, van than

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 trang tuan ((dung cuong) OR (dung luong)) ((xuan toan) or (dan than)) cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - hanh trang tuan ((dung cuong) OR (dung luong)) ((xuan toan) OR (dan than)) cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu xanh - hanh trang tuan ((dung cuong) OR (dung luong)) ((xuan toan) or (dan than)) cao".
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - hanh trang tuan ((dung cuong) OR (dung luong)) ((xuan toan) or (dan than)) cao*.