Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
thuc dan » thuc hanh, hoc dan, thuc vat
dan hanh » dang hanh, dan khanh, dan thanh
so sach » so sanh, bo sach, co sach
sach ty » sach y, sach tu, sach thu
xang x » nang x
ve cam » ve cham, ve cac, ve cai
va cam » va cham, va cac, va cao
vi cua » vai cua, di cua
x hoi » xa hoi, o hoi, x ho

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

• Performing a fuzzy search may retrieve terms with similar spellings: so sach ty xang x hoi. hieu ((ve cam) or (va cam)) thuc dan hanh vi cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so sach ty xang x hoi. hieu ((ve cam) OR (va cam)) thuc dan hanh vi cua triet.
• Adding a wildcard symbol may retrieve word variants: so sach ty xang x hoi. hieu ((ve cam) or (va cam)) thuc dan hanh vi cua triet*.