Perhaps you should try some spelling variations:
thong cong » trong cong, tong cong, thong thong
thien danh » thien dang, thien thanh, thien chanh
thien anh » tien anh, thien thanh, thien chanh
cua thong » cua thuong, cua khong, cua tong
canh ban » can ban, canh dan, doanh ban
canh van » anh van, can van, cach van
cong san » cong tac
san phan » san pham, van phan, sat phan
phan cau » phan dau, phan cac, phan tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((thien anh) or (thien danh)) - ((canh ban) or (canh van)) cua thong cong san phan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thien anh) OR (thien danh)) - ((canh ban) OR (canh van)) cua thong cong san phan cau.
• Adding a wildcard symbol may retrieve word variants: hoc ((thien anh) or (thien danh)) - ((canh ban) or (canh van)) cua thong cong san phan cau*.