Perhaps you should try some spelling variations:
truong cua » truong ca, truong quan, truong cao
trung tuan » trung thanh, trung tam, tran tuan
thong cong » trong cong, tong cong, thong thong
tieu tinh » tieu trinh, lieu tinh, kieu tinh
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: hoc ((tieu tinh) OR (trieu tinh)) - hanh ((truong cua) or (trung tuan)) thong cong tac toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((tieu tinh) OR (trieu tinh)) - hanh ((truong cua) OR (trung tuan)) thong cong tac toan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((tieu tinh) OR (trieu tinh)) - hanh ((truong cua) or (trung tuan)) thong cong tac toan cau".
• Adding a wildcard symbol may retrieve word variants: hoc ((tieu tinh) OR (trieu tinh)) - hanh ((truong cua) or (trung tuan)) thong cong tac toan cau*.