Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
chieu tinh » lieu tinh, kieu tinh, che tinh
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
cong san » cong tac
san van » tan van, luan van, tran van

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi ((((chieu tinh) OR (trieu tinh))) or (chau tinh)) - hanh trinh cua nhung cong san van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((((chieu tinh) OR (trieu tinh))) OR (chau tinh)) - hanh trinh cua nhung cong san van ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi ((((chieu tinh) OR (trieu tinh))) or (chau tinh)) - hanh trinh cua nhung cong san van ban".
• Adding a wildcard symbol may retrieve word variants: doi ((((chieu tinh) OR (trieu tinh))) or (chau tinh)) - hanh trinh cua nhung cong san van ban*.