Perhaps you should try some spelling variations:
truong cao » truong dai
dang trong » dung trong, dong trong, lang trong
tieu xanh » tieu danh, chieu xanh, dieu hanh
trung cua » truong cua, trung tuan, trung cap
trong tac » trong cac, tuong tac, trong tan
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 tieu xanh - thanh ((trung cua) or (truong cao)) dang trong tac toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu xanh - thanh ((trung cua) OR (truong cao)) dang trong tac toan cau.
• Adding a wildcard symbol may retrieve word variants: theo tieu xanh - thanh ((trung cua) or (truong cao)) dang trong tac toan cau*.