Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
hanh trinh » canh tranh, hanh chinh
bang suong » bang song, bang tuong, bang phuong
hoc thieu » toc thieu, hoc hien
trinh co » trinh do, trinh cong, trinh hoa
dan toan » van toan, dan than, manh toan
dan chan » dan gian, dan ca, van chat
co bang » cao bang, con bang, co 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 - hanh trinh co bang suong ((dan toan) or (dan chan)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - hanh trinh co bang suong ((dan toan) OR (dan chan)) cau.
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - hanh trinh co bang suong ((dan toan) or (dan chan)) cau*.