Perhaps you should try some spelling variations:
thanh tung » thanh cong
tuan nhung » quan nhung, tuan hung, thuat nhung
nhung cong » dung cong, thong cong, hang cong
tuan khoan » tuan hoan, toan khoan, toan khoa
tung tuan » trung tuan, hung tuan, quang tuan
cong tuan » cong tan, cong luan, cong thanh
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 nhung cong tuan khoan cap~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho lieu) OR (co lieu)) tinh - thanh tung tuan nhung cong tuan khoan cap".
• Adding a wildcard symbol may retrieve word variants: ((ho lieu) OR (co lieu)) tinh - thanh tung tuan nhung cong tuan khoan cap*.