Perhaps you should try some spelling variations:
chieu sang » chieu sach, chieu xanh, hieu lang
chiet tach » chieu sach
chieu tinh » trieu tinh, lieu tinh, chau tinh
canh manh » lanh manh, canh tranh, cach mang
hung cong » nhung cong, hung cuong, phung cong
manh cua » doanh cua, ban cua
cua hung » cua nhung, cua chung, cua huong
cong tac » cong ty
tac toan » tap toan, tam toan, hach toan
toan cau » toan cao, toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho ((((chieu sang) or (chiet tach))) or (chieu tinh)) - canh manh cua hung cong tac toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((((chieu sang) OR (chiet tach))) OR (chieu tinh)) - canh manh cua hung cong tac toan cau.
• Adding a wildcard symbol may retrieve word variants: ho ((((chieu sang) or (chiet tach))) or (chieu tinh)) - canh manh cua hung cong tac toan cau*.