Perhaps you should try some spelling variations:
sach nganh » sach ngan, sach tranh, cac nganh
sach ngang » sach nang, sach ngan, sach ngon
chat khi » chat thai, chat khoa, chet khit
nganh co » nganh cong, nganh hoa, nganh y
su sach » vu sach
cho khi » cho ghi, cao khai, phoi khi
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 ngang ((cho khi) OR (chat khi)) đong luc ) or ( so sach nganh co khi đong luc ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( su sach ngang ((cho khi) OR (chat khi)) đong luc ) OR ( so sach nganh co khi đong luc )).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( su sach ngang ((cho khi) OR (chat khi)) đong luc ) or ( so sach nganh co khi đong luc ))".
• Adding a wildcard symbol may retrieve word variants: (( su sach ngang ((cho khi) OR (chat khi)) đong luc ) or ( so sach nganh co khi đong luc ))*.