Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
hanh trang » thanh trung, canh tranh, hanh trinh
nhung cong » dung cong, thong cong, hang cong
hien xanh » hien hanh, hien nhanh, hien khanh
trang cua » tranh cua, tang cua, trung cua
cua nhung » va nhung
dan canh » van canh, dan hanh, dang hanh
dan cach » dan cac, nhan cach, bang cach

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((hien xanh) or (chieu xanh)) - hanh trang cua nhung cong ((dan canh) OR (dan cach)) ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((hien xanh) OR (chieu xanh)) - hanh trang cua nhung cong ((dan canh) OR (dan cach)) ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((hien xanh) or (chieu xanh)) - hanh trang cua nhung cong ((dan canh) OR (dan cach)) ban".
• Adding a wildcard symbol may retrieve word variants: hoc ((hien xanh) or (chieu xanh)) - hanh trang cua nhung cong ((dan canh) OR (dan cach)) ban*.