Perhaps you should try some spelling variations:
nnhanh lang » nhan lang, nhanh mang
chieu sach » chinh sach, chiet tach, chieu sang
nhanh lang » nhanh quang, nhanh thang, nhan dang
doi chieu » doc hieu, doi chi, ho chieu
ca thuong » cao thuong, cua thuong, va thuong
cuong tap » luong tap, luong tai, cong tan
cong tac » cong ty
quan lap » quan luan, quang lam, quan lang

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 - ((nhanh lang) or (nnhanh lang)) ca thuong ((cuong tap) OR (cong tac)) quan lap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu sach - ((nhanh lang) OR (nnhanh lang)) ca thuong ((cuong tap) OR (cong tac)) quan lap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi chieu sach - ((nhanh lang) or (nnhanh lang)) ca thuong ((cuong tap) OR (cong tac)) quan lap".
• Adding a wildcard symbol may retrieve word variants: doi chieu sach - ((nhanh lang) or (nnhanh lang)) ca thuong ((cuong tap) OR (cong tac)) quan lap*.