Perhaps you should try some spelling variations:
nhung chong » nhung cong, nhung phong, nhung phuong
theo chieu » theo tieu, ho chieu, theo chu
chieu sach » chinh sach, chiet tach, chieu sang
luan nhung » luan chung, luan hung, quan nhung
chong tan » cong tan, chong gian, chong tham
toan tai » toan tap, doanh tai, toan ban
toan cao » toan ban, toan tap
ha dong » van dong

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 - ((ha dong) or (hoat dong)) luan nhung chong tan ((toan tai) or (toan cao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu sach - ((ha dong) OR (hoat dong)) luan nhung chong tan ((toan tai) OR (toan cao)).
• Adding a wildcard symbol may retrieve word variants: theo chieu sach - ((ha dong) or (hoat dong)) luan nhung chong tan ((toan tai) or (toan cao))*.