Perhaps you should try some spelling variations:
thanh trung » thanh tung
cong thanh » dong thanh, cong trinh, cong tan
tieu tinh » trieu tinh, tieu trinh, lieu tinh
trung vat » trung va, trung van, trong vat
dung cong » dung trong
toan chau » toan cau, toan chay, doanh chau
tran chau » tranh chap, tran huu
hoc tieu » hoc thieu, hoc dieu, hoc sieu
vat dung » van dung, va dung, viet dung

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 - thanh trung vat dung cong thanh ((toan chau) OR (tran chau))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc tieu tinh - thanh trung vat dung cong thanh ((toan chau) OR (tran chau))".
• Adding a wildcard symbol may retrieve word variants: hoc tieu tinh - thanh trung vat dung cong thanh ((toan chau) OR (tran chau))*.