Perhaps you should try some spelling variations:
canh sinh » canh tinh, canh binh, tinh sinh
vai nhung » voi nhung, vap nhung, ai nhung
cong dan » cong san, cong tan, huong dan
dan phan » doan phan, dan chan, van phan
phan cau » phan dau, phan cac, phan tu
ho chau » ha chau, o chau, khoa chau
ho chu » hoi chu, cho chu, ho chua

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