Perhaps you should try some spelling variations:
dong thanh » truong thanh
dang thanh » dang hanh, hoang thanh, quang thanh
tieu tinh » trieu tinh, tieu trinh, lieu tinh
hanh tinh » hanh trinh, nhanh tinh, thanh tinh
dung cong » dung trong
dang toan » dang tran, dan toan, dung toan
tinh cua » trinh cua, sinh cua, tinh chat
cua dung » cua dang, cua dong, qua dung

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo tieu tinh - hanh tinh cua dung cong ((dang toan) or (((dang thanh) or (dong thanh)))) cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu tinh - hanh tinh cua dung cong ((dang toan) OR (((dang thanh) OR (dong thanh)))) cao.
• Adding a wildcard symbol may retrieve word variants: theo tieu tinh - hanh tinh cua dung cong ((dang toan) or (((dang thanh) or (dong thanh)))) cao*.