Perhaps you should try some spelling variations:
thanh trung » thanh tung
hoc thieu » toc thieu, hoc hien
dung cong » dung trong
cong tinh » cong trinh, cong vinh, long tinh
toc dieu » hoc dieu, soc dieu, thuoc dieu
tam dung » tam duong, tac dung, tan dung
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: ((toc dieu) or (hoc thieu)) hanh - thanh trung tam dung cong tinh toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((toc dieu) OR (hoc thieu)) hanh - thanh trung tam dung cong tinh toan cau.
• Adding a wildcard symbol may retrieve word variants: ((toc dieu) or (hoc thieu)) hanh - thanh trung tam dung cong tinh toan cau*.