Perhaps you should try some spelling variations:
trinh cua » trinh luat, trinh quan, trinh luan
dang cong » dung cong
cong dang » cong dong, cong dan, cong dung
chi xanh » chi anh, chi danh, chi hanh
tinh cua » sinh cua, tinh chat, tranh cua
toan cau » toan cao, toan ban, toan tai
toan tap » toan ban
doi chi » doi khi

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi chi xanh - nhanh ((tinh cua) OR (trinh cua)) dang cong dang ((toan cau) or (toan tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chi xanh - nhanh ((tinh cua) OR (trinh cua)) dang cong dang ((toan cau) OR (toan tap))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi chi xanh - nhanh ((tinh cua) OR (trinh cua)) dang cong dang ((toan cau) or (toan tap))*".