Perhaps you should try some spelling variations:
hanh tranh » canh tranh, hanh trinh, hanh trang
chieu sang » chieu sach, chieu xanh, hieu lang
hieu manh » chieu xanh, hieu nganh, dieu hanh
tranh cua » doanh cua, manh cua
trong van » trong cac
cua dung » cua dang, cua dong, qua dung
van tan » van tuan, van ban, van tai
tan tap » toan tap, han tap, tan tat

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

• Performing a fuzzy search may retrieve terms with similar spellings: doc ((hieu manh) or (chieu sang)) - hanh tranh cua dung trong van tan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc ((hieu manh) OR (chieu sang)) - hanh tranh cua dung trong van tan tap.
• Adding a wildcard symbol may retrieve word variants: doc ((hieu manh) or (chieu sang)) - hanh tranh cua dung trong van tan tap*.