Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
hanh tranh » canh tranh, hanh trang, lanh tranh
hanh trinh » canh tranh, hanh chinh
hoc thieu » toc thieu, hoc hien
hang cong » dang cong, hang nong, bang cong
cong tan » cong tac, cong san, cong thanh
tan doan » tran doan, tap doan, van doan
doan tap » toan tap, doan cap, doanh tai
va hang » van hang, va nang, va lang

You may be able to get more results by adjusting your search query.

• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu xanh - ((hanh tranh) OR (hanh trinh)) va hang cong tan doan tap~".
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - ((hanh tranh) OR (hanh trinh)) va hang cong tan doan tap*.