Perhaps you should try some spelling variations:
nhung chong » nhung cong, nhung phong, nhung phuong
trinh quang » tinh quang, tranh quang, trinh dung
chieu tach » chiet tach, chieu sach, chiu trach
trinh quan » tinh quang, trinh luat, trinh han
phung cong » nhung cong, phong cong, dung cong
doi chieu » doc hieu, doi chi, ho chieu
dan than » dan chan, ban than, van than
than cau » toan cau, phan cau, than cap

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 tach - hanh ((trinh quang) OR (trinh quan)) ((phung cong) or (nhung chong)) dan than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu tach - hanh ((trinh quang) OR (trinh quan)) ((phung cong) OR (nhung chong)) dan than cau*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi chieu tach - hanh ((trinh quang) OR (trinh quan)) ((phung cong) or (nhung chong)) dan than cau*".