Perhaps you should try some spelling variations:
thanh trung » thanh tung
trung thuat » trong thuat, thuong thuat, trung tuan
chieu xanh » chieu sach, chieu sang, chieu tinh
thuat dung » thuat hung, thuat ung, thuat xung
chau tinh » cuu tinh, ha tinh, cua tinh
dung cong » dung trong
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: theo ((chieu xanh) or (chau tinh)) - thanh trung thuat dung cong tac toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chieu xanh) OR (chau tinh)) - thanh trung thuat dung cong tac toan cau.
• Adding a wildcard symbol may retrieve word variants: theo ((chieu xanh) or (chau tinh)) - thanh trung thuat dung cong tac toan cau*.