Perhaps you should try some spelling variations:
dong giam » duong giam, dong giao, dung giam
gia tuong » gia cuong, gian muong, gia cong
sac trinh » lap trinh, dac tinh, cac tinh
cach kinh » sach kinh, anh kinh, cac tinh
doc giam » doi giam, duoc giao, hoc giao
sac tinh » dac tinh, cac tinh, sat tinh
loi giai » so giai, hoc giai, bai giai
tu cach » tu cac
doi nam » noi nam, voi nam, dong nam
kinh do » kinh co, trinh do, kinh hoc
tu sac » tu sach, tu cac, tu san
do gia » do giua, ho gia, co gia

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( tu cach kinh do gia tuong ) or ((( tu sac tinh ((loi giai) or (doi nam)) muong ) or ( tu sac trinh ((doc giam) OR (dong giam)) muong ))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( tu cach kinh do gia tuong ) OR ((( tu sac tinh ((loi giai) OR (doi nam)) muong ) OR ( tu sac trinh ((doc giam) OR (dong giam)) muong )))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( tu cach kinh do gia tuong ) or ((( tu sac tinh ((loi giai) or (doi nam)) muong ) or ( tu sac trinh ((doc giam) OR (dong giam)) muong ))))".
• Adding a wildcard symbol may retrieve word variants: (( tu cach kinh do gia tuong ) or ((( tu sac tinh ((loi giai) or (doi nam)) muong ) or ( tu sac trinh ((doc giam) OR (dong giam)) muong ))))*.