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