Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu tinh, hieu manh
chieu sang » chieu sach, hieu lang, nhieu tang
hanh trang » thanh trung, canh tranh, minh trang
hanh trinh » canh tranh, hanh chinh
trong van » trong cac
vat dung » van dung, va dung, viet dung
van tuan » van quan, van ban, anh tuan
tuan cau » toan cau, quan cau, tuan cu

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((chieu xanh) OR (chieu sang)) - ((hanh trang) or (hanh trinh)) vat dung trong van tuan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((chieu xanh) OR (chieu sang)) - ((hanh trang) OR (hanh trinh)) vat dung trong van tuan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((chieu xanh) OR (chieu sang)) - ((hanh trang) or (hanh trinh)) vat dung trong van tuan cau".
• Adding a wildcard symbol may retrieve word variants: hoc ((chieu xanh) OR (chieu sang)) - ((hanh trang) or (hanh trinh)) vat dung trong van tuan cau*.