Perhaps you should try some spelling variations:
hanh trang » thanh trung, canh tranh, hanh trinh
hieu manh » chieu xanh, hieu nganh, dieu hanh
trang dan » trang doan, tang dan, trong dan
toc hieu » toc thieu, doc hieu, hoc thieu
dan dung » van dung, tin dung, ap dung
dung lam » dung luan, dung tai, dung dat
duong va » duong van, dung va, luong va

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc hieu manh - hanh trang dan dung ((dung lam) or (duong va)) phan tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc hieu manh - hanh trang dan dung ((dung lam) OR (duong va)) phan tu.
• Adding a wildcard symbol may retrieve word variants: toc hieu manh - hanh trang dan dung ((dung lam) or (duong va)) phan tu*.