Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
chau tinh » cuu tinh, ha tinh, cac tinh
tinh ninh » ninh binh
vap nhung » va nhung, ve nhung, voi nhung
cua tinh » cua sinh, va tinh, ha tinh
ninh vap » sinh vat, dinh van, tinh va
cong tan » cong tac, cong san, cong thanh
phan dau » 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: ho ((chau tinh) or (cua tinh)) - tinh ninh vap nhung cong tan ((phan dau) OR (phan tu))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chau tinh) OR (cua tinh)) - tinh ninh vap nhung cong tan ((phan dau) OR (phan tu)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((chau tinh) or (cua tinh)) - tinh ninh vap nhung cong tan ((phan dau) OR (phan tu))".
• Adding a wildcard symbol may retrieve word variants: ho ((chau tinh) or (cua tinh)) - tinh ninh vap nhung cong tan ((phan dau) OR (phan tu))*.