Perhaps you should try some spelling variations:
nhung tuong » nhung huong, nhung phuong, hung vuong
chieu sach » chinh sach, chiet tach, chieu sang
trinh quan » tinh quang, trinh luat, trinh han
doi chieu » doc hieu, doi chi, ho chieu
trinh cua » tinh cua, trinh luat, trinh luan
tuong anh » truong anh, tuong lanh, trong anh
tuan han » tuan hoan, tran han, tuan hoang
luan han » luan hoan, luan phan, luan 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 sach - hanh ((trinh cua) or (trinh quan)) nhung tuong anh ((tuan han) OR (luan han))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu sach - hanh ((trinh cua) OR (trinh quan)) nhung tuong anh ((tuan han) OR (luan han)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi chieu sach - hanh ((trinh cua) or (trinh quan)) nhung tuong anh ((tuan han) OR (luan han))".
• Adding a wildcard symbol may retrieve word variants: doi chieu sach - hanh ((trinh cua) or (trinh quan)) nhung tuong anh ((tuan han) OR (luan han))*.