Perhaps you should try some spelling variations:
chieu tinh » trieu tinh, chau tinh, kieu tinh
truong cao » truong dai
dang trong » dung trong, dong trong, lang trong
lieu tinh » trieu tinh, diep tinh, bien tinh
truong ca » truong va, trong ca, truong dai
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: ho ((chieu tinh) OR (lieu tinh)) - thanh ((truong ca) or (truong cao)) dang trong tac toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu tinh) OR (lieu tinh)) - thanh ((truong ca) OR (truong cao)) dang trong tac toan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((chieu tinh) OR (lieu tinh)) - thanh ((truong ca) or (truong cao)) dang trong tac toan cau".
• Adding a wildcard symbol may retrieve word variants: ho ((chieu tinh) OR (lieu tinh)) - thanh ((truong ca) or (truong cao)) dang trong tac toan cau*.