Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
hieu tinh » chieu tinh, lieu tinh, hieu binh
kieu tinh » lieu tinh, trieu tinh, diep tinh
cua nhung » va nhung
hanh han » hanh nhan, hanh phan, hanh san
cong san » cong tac
han cua » hang cua, nhan cua, than cua
san han » san phan, san van, van han
han tai » hang tai, nhan tai, van tai

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

• Performing a fuzzy search may retrieve terms with similar spellings: doc ((hieu tinh) OR (kieu tinh)) - hanh han cua nhung cong san han tai~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doc ((hieu tinh) OR (kieu tinh)) - hanh han cua nhung cong san han tai".
• Adding a wildcard symbol may retrieve word variants: doc ((hieu tinh) OR (kieu tinh)) - hanh han cua nhung cong san han tai*.