Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
trung tuan » trung thanh, trung tam, tran tuan
nhung uong » nhung huong, nhung tuong, nhung cong
tranh cua » doanh cua, manh cua
ho chieu » theo chieu, hoc thieu, doi chieu
bai toan » bai tap
bi toan » boi toan, bi tan, vi toan

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho chieu xanh - hanh ((tranh cua) or (trung tuan)) nhung uong ((bi toan) or (bai toan)) ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu xanh - hanh ((tranh cua) OR (trung tuan)) nhung uong ((bi toan) OR (bai toan)) ban.
• Adding a wildcard symbol may retrieve word variants: ho chieu xanh - hanh ((tranh cua) or (trung tuan)) nhung uong ((bi toan) or (bai toan)) ban*.