Perhaps you should try some spelling variations:
thanh tung » thanh cong
toan khoan » toan khoa, toan phan, toan hoat
tung tuan » trung tuan, hung tuan, quang tuan
tuan dung » tuan duong, tran dung, tan dung
dung cong » dung trong
cong toan » cong tan, cong hoan, cong tuan
khoan cap » khoan cam, khan cap, khoa cap
ho lieu » so lieu, ho kieu, ho chieu
co lieu » cot lieu, co hieu, so lieu

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ((ho lieu) or (co lieu)) tinh - thanh tung tuan dung cong toan khoan cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho lieu) OR (co lieu)) tinh - thanh tung tuan dung cong toan khoan cap.
• Adding a wildcard symbol may retrieve word variants: ((ho lieu) or (co lieu)) tinh - thanh tung tuan dung cong toan khoan cap*.