Perhaps you should try some spelling variations:
chieu sang » chieu sach, hieu lang, nhieu tang
chieu xanh » chieu sach, chieu tinh, hieu manh
hanh trang » thanh trung, canh tranh, hanh trinh
trang cap » trung cap, trong cap, tranh chap
cap dung » ap dung, cao dung, chan dung
van than » van thanh, van thang, van tuan
ban than » ban thanh, van thanh, ban hang

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