Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
nhung cong » dung cong, thong cong, hang cong
hoc chieu » hoc thieu, ho chieu, hoc hien
trinh van » trinh han, trinh quan, trinh toan
ban thanh » ban hanh, ban hang
trinh va » trinh vat, trinh ve, trinh vi
ban than » van thanh, ban hang, ban hanh

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