Perhaps you should try some spelling variations:
chau tinh » cuu tinh, ha tinh, cua tinh
canh manh » lanh manh, canh tranh, cach mang
chua dong » ha dong, huy dong, hoa dong
dan chinh » dang chinh, lan chinh, van chinh
chinh cau » chinh chau, chinh ca, chinh can
cua sinh » hoa sinh, va sinh
cua dong » cua cong, cua dang, cua nong

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 sinh)) - canh manh ((cua dong) or (chua dong)) huong dan chinh cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chau tinh) OR (cua sinh)) - canh manh ((cua dong) OR (chua dong)) huong dan chinh cau.
• Adding a wildcard symbol may retrieve word variants: ho ((chau tinh) or (cua sinh)) - canh manh ((cua dong) or (chua dong)) huong dan chinh cau*.