Perhaps you should try some spelling variations:
nhung huong » nhung phuong, nhung tuong, nhung cong
chau tinh » cuu tinh, ha tinh, cua tinh
canh tran » canh tranh, hanh trang, banh trang
van nhung » van nhuong, va nhung, van hung
tran van » luan van
dan khan » dan khanh, dan chan, dan than
va tinh » may tinh
khan ap » khan cap, han ap, khan dam

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

• Performing a fuzzy search may retrieve terms with similar spellings: doc ((chau tinh) or (va tinh)) - canh tran van nhung huong dan khan ap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc ((chau tinh) OR (va tinh)) - canh tran van nhung huong dan khan ap.
• Adding a wildcard symbol may retrieve word variants: doc ((chau tinh) or (va tinh)) - canh tran van nhung huong dan khan ap*.