Perhaps you should try some spelling variations:
chau tinh » cuu tinh, ha tinh, cac tinh
canh sinh » canh tinh, canh binh, tinh sinh
vat thong » va thong, vat trong, mat thong
cua tinh » cua sinh, va tinh, ha tinh
cong dan » cong san, huong dan, cong dong
cong tan » cong tac, cong san, cong thanh
phan cau » phan dau, phan cac, phan tu

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)) - canh sinh vat thong ((cong dan) OR (cong tan)) phan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chau tinh) OR (cua tinh)) - canh sinh vat thong ((cong dan) OR (cong tan)) phan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((chau tinh) or (cua tinh)) - canh sinh vat thong ((cong dan) OR (cong tan)) phan cau".
• Adding a wildcard symbol may retrieve word variants: ho ((chau tinh) or (cua tinh)) - canh sinh vat thong ((cong dan) OR (cong tan)) phan cau*.