Perhaps you should try some spelling variations:
cua triet » cua viet, su triet
hanh dai » hanh tai, hanh dao, vanh dai
va triet » va thiet, va trien, ve triet
ky sang » ky nang, ky dang, ky tang
sang xa » song xa, lang xa, sang ma
hieu ve » hieu va, hieu van
va hanh » van hanh, va thanh, va danh
tu cam » tu cham, tu cac, tu nam
cam ky » cao ky, cac ky
ve cam » ve cham, ve cac, va cam
cam tu » cam thu, nam tu, dam tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu cam ky sang xa hoi. hieu ve cam tu va hanh dai ((cua triet) OR (va triet))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu cam ky sang xa hoi. hieu ve cam tu va hanh dai ((cua triet) OR (va triet))".
• Adding a wildcard symbol may retrieve word variants: tu cam ky sang xa hoi. hieu ve cam tu va hanh dai ((cua triet) OR (va triet))*.