Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
nhieu tang » chieu sang, hieu lang, nhiet nang
hanh tranh » canh tranh, hanh trinh, hanh trang
nong tuong » cong thuong, dong thuong, nang truong
tranh cua » doanh cua, manh cua
tuong dan » huong dan, tung dan, xuong dan
nhanh bac » nhanh ha, nhanh va
thanh hoa » thanh pho
cua nong » cua cong, cuu nong, cua dong

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) or (nhieu tang)) - hanh tranh cua nong tuong dan ((nhanh bac) or (thanh hoa))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((chieu sach) OR (nhieu tang)) - hanh tranh cua nong tuong dan ((nhanh bac) OR (thanh hoa)).
• Adding a wildcard symbol may retrieve word variants: doi ((chieu sach) or (nhieu tang)) - hanh tranh cua nong tuong dan ((nhanh bac) or (thanh hoa))*.