Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, thien anh, thien danh
chuan chau » chuan chat, chuan ha, chua cau
hieu manh » chieu xanh, hieu nganh, dieu hanh
cua trong » cua truong, cua trung, qua trong
cong vang » cong lang, cong quang, cong ngang
chua chay » chua may, chu chan, cua cha
anh tang » anh bang, anh dang, anh nang
tang cua » mang cua, hang cua, tang luan

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

• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thieu xanh) OR (hieu manh)) - anh tang cua trong cong vang ((chuan chau) OR (chua chay))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((thieu xanh) OR (hieu manh)) - anh tang cua trong cong vang ((chuan chau) or (chua chay))~".
• Adding a wildcard symbol may retrieve word variants: hoc ((thieu xanh) OR (hieu manh)) - anh tang cua trong cong vang ((chuan chau) or (chua chay))*.