Perhaps you should try some spelling variations:
cong thanh » dong thanh, cong trinh, cong tan
chieu xanh » chieu sach, chieu sang, chieu tinh
hoc chieu » hoc thieu, ho chieu, hoc hien
cong than » cong thang, cong tan, cong thai
tinh dan » trinh dan, tinh da, binh dan
toc hung » toc nung, hoc hung, toc muong
phan cac » nhan cach, phan dau, phan lap

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 - tinh dan toc hung ((cong than) or (cong thanh)) phan cac~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chieu xanh - tinh dan toc hung ((cong than) OR (cong thanh)) phan cac.
• Adding a wildcard symbol may retrieve word variants: hoc chieu xanh - tinh dan toc hung ((cong than) or (cong thanh)) phan cac*.