Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
sach ky » sac ky, sach y, sach ty
vat cua » mat cua, bat cua, dat cua
va kinh » va tinh, qua kinh
va sinh » va tinh, vi sinh, hoa sinh
te sach » toc sach
ve cham » va cham, ve chat, vu cham
sang xa » song xa, lang xa, sang ma
ky sang » ky nang, ky dang, ky tang
ve cac » va 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: te sach ky sang xa hoi. hieu ((ve cham) or (ve cac)) duc ((va sinh) OR (va kinh)) vat cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ky sang xa hoi. hieu ((ve cham) OR (ve cac)) duc ((va sinh) OR (va kinh)) vat cua triet*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ky sang xa hoi. hieu ((ve cham) or (ve cac)) duc ((va sinh) OR (va kinh)) vat cua triet*".