Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
canh trinh » canh tranh, canh tinh, anh trinh
hanh trinh » canh tranh, hanh chinh
thong tran » thong than, thong tren, phuong tran
tran thanh » ban thanh, van thanh, quan thanh
doi chieu » doc hieu, doi chi, ho chieu
vat thong » va thong, vat trong, mat thong
thanh cau » thanh chau, thanh mau, nhanh cau

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi chieu xanh - ((canh trinh) or (hanh trinh)) vat thong thong tran thanh cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu xanh - ((canh trinh) OR (hanh trinh)) vat thong thong tran thanh cau*.