Perhaps you should try some spelling variations:
nganh khong » nganh cong, nganh nong, nganh khoa
nhanh chong » thanh cong, khanh phong
cach nhanh » cac nganh, cac nhan, cac thanh
khong khi » khong he
thu cach » thuc cach, thu canh, tu cach
chong li » chong lai, cong li, hong li
su sach » vu sach
so sach » so sanh, bo sach, co sach

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( ((su sach) OR (so sach)) nganh khong khi đong luc ) or ( thu cach nhanh chong li đong luc ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( ((su sach) OR (so sach)) nganh khong khi đong luc ) OR ( thu cach nhanh chong li đong luc )).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( ((su sach) OR (so sach)) nganh khong khi đong luc ) or ( thu cach nhanh chong li đong luc ))".
• Adding a wildcard symbol may retrieve word variants: (( ((su sach) OR (so sach)) nganh khong khi đong luc ) or ( thu cach nhanh chong li đong luc ))*.