Perhaps you should try some spelling variations:
nhanh tinh » nhanh thanh, nhan sinh
hanh trinh » canh tranh, hanh chinh
nhung cong » dung cong, thong cong, hang cong
cong thanh » dong thanh, cong trinh, cong tan
thanh phan » thanh pho, thanh san, thanh toan
hieu lang » chieu sang, hieu quang, nhieu tang
hanh tinh » thanh tinh, canh tinh, hanh tin
cua nhung » va nhung
ho hieu » ho chieu, hoi hieu, nho hieu

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 - ((((hanh tinh) or (nhanh tinh))) or (hanh trinh)) cua nhung cong thanh phan tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho hieu lang - ((((hanh tinh) OR (nhanh tinh))) OR (hanh trinh)) cua nhung cong thanh phan tu.
• Adding a wildcard symbol may retrieve word variants: ho hieu lang - ((((hanh tinh) or (nhanh tinh))) or (hanh trinh)) cua nhung cong thanh phan tu*.