Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
nhung cong » dung cong, thong cong, hang cong
chau tinh » cuu tinh, ha tinh, cua tinh
trinh cua » tinh cua, trinh luat, trinh quan
cua nhung » va nhung
cua sinh » hoa sinh, va sinh
cong san » cong tac

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((chau tinh) or (cua sinh)) - hanh trinh cua nhung cong san ((toan ban) or (van ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((chau tinh) OR (cua sinh)) - hanh trinh cua nhung cong san ((toan ban) OR (van ban)).
• Adding a wildcard symbol may retrieve word variants: hoc ((chau tinh) or (cua sinh)) - hanh trinh cua nhung cong san ((toan ban) or (van ban))*.