Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
trinh cua » trinh luat, trinh quan, trinh luan
chao cha » chao chao, chao chu, chay chua
cha tinh » chau tinh, cham tinh, chai tinh
tinh cua » sinh cua, tinh chat, tranh cua
cong dan » cong san, cong tan, huong dan
dan than » dan chan, ban than, van than
than tap » toan tap, han tap, phan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: chao cha tinh - hanh ((tinh cua) OR (trinh cua)) nhung cong dan than tap~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "chao cha tinh - hanh ((tinh cua) OR (trinh cua)) nhung cong dan than tap".
• Adding a wildcard symbol may retrieve word variants: chao cha tinh - hanh ((tinh cua) OR (trinh cua)) nhung cong dan than tap*.