Perhaps you should try some spelling variations:
thanh tinh » thanh binh, nhanh tinh, than kinh
hieu lang » chieu sang, hieu quang, nhieu tang
cua trong » cua truong, cua trung, qua trong
trinh han » trinh quan
tinh cua » trinh cua, sinh cua, tinh chat
ho hieu » ho chieu, hoi hieu, nho hieu
han dau » hang dau, phan dau, van dau

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho hieu lang - thanh tinh cua trong cong trinh han dau~.
• Adding a wildcard symbol may retrieve word variants: ho hieu lang - thanh tinh cua trong cong trinh han dau*.