Perhaps you should try some spelling variations:
trinh phan » trinh han, trinh quan, thanh phan
nhung cong » dung cong, thong cong, hang cong
hanh tinh » hanh trinh, nhanh tinh, thanh tinh
cua nhung » va nhung
nho hieu » nho sieu, nhu hieu, nghe hieu
nha hieu » nha dieu, nghe hieu, phan hieu
tinh cua » trinh cua, sinh cua, tinh chat
phan dau » phan tu, hang dau

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((nho hieu) or (nha hieu)) lang - hanh tinh cua nhung cong trinh phan dau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((nho hieu) OR (nha hieu)) lang - hanh tinh cua nhung cong trinh phan dau.
• Adding a wildcard symbol may retrieve word variants: ((nho hieu) or (nha hieu)) lang - hanh tinh cua nhung cong trinh phan dau*.