Perhaps you should try some spelling variations:
dinh chau » minh chau, tinh chat, dinh chi
khien hoc » nhiet hoc, dien hoc
dinh cac » tinh cach, dinh chuc, dinh van
sach xin » sach kinh, sach tien, sach xa
cac khoa » cac khoan, cac khoi, dac khoa
khoa hoc » hoa hoc
vu sach » vu bach, su sach, vu khach
xin cac » tin cac, gian cac, vien cac

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( thuat toan ((dinh cac) OR (dinh chau)) khien hoc ) or ( vu sach xin cac khoa hoc ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( thuat toan ((dinh cac) OR (dinh chau)) khien hoc ) OR ( vu sach xin cac khoa hoc )).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( thuat toan ((dinh cac) OR (dinh chau)) khien hoc ) or ( vu sach xin cac khoa hoc ))".
• Adding a wildcard symbol may retrieve word variants: (( thuat toan ((dinh cac) OR (dinh chau)) khien hoc ) or ( vu sach xin cac khoa hoc ))*.