Perhaps you should try some spelling variations:
thanh trung » thanh tung
chieu tinh » trieu tinh, lieu tinh, chau tinh
dung cong » dung trong
ho chieu » theo chieu, hoc thieu, doi chieu
trung su » trung vu, trong su, trung du
cong tac » cong ty
toan cau » toan cao, toan tap, toan tai
toan ban » van ban

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 - thanh trung su dung cong tac ((toan cau) OR (toan ban))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu tinh - thanh trung su dung cong tac ((toan cau) OR (toan ban))".
• Adding a wildcard symbol may retrieve word variants: ho chieu tinh - thanh trung su dung cong tac ((toan cau) OR (toan ban))*.