Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
chieu sach » chinh sach, chiet tach, chieu sang
cong ngang » cong nhan, cong quang, cong lang
ngang phan » nang phan, nang phat, nang phap
anh thanh » danh thanh, nhanh thanh, thanh thanh
tinh dung » tin dung, tinh quang, tinh huong

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo chieu sach - anh thanh ((tinh dung) or (trinh dung)) cong ngang phan tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu sach - anh thanh ((tinh dung) OR (trinh dung)) cong ngang phan tu.
• Adding a wildcard symbol may retrieve word variants: theo chieu sach - anh thanh ((tinh dung) or (trinh dung)) cong ngang phan tu*.