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
dinh cua » dinh cuu, sinh cua, tinh cua
van juan » van tuan, van huan, van luan
van quan » van ban
dinh cu » dinh cuu, dinh chuc, dinh chau

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