Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
hoc nganh » hoc nhanh
thuc day » thuc dan, thuc vat
thuc va » thuc vat, thuc dan
su sach » so sach, vu sach
hieu va » lieu va, hieu qua
va nham » va cham, va tham, va nha
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: ((su sach) or (hoc nganh)) ky nang x hoi. hieu va nham ((thuc va) or (thuc day)) hanh vi cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((su sach) OR (hoc nganh)) ky nang x hoi. hieu va nham ((thuc va) OR (thuc day)) hanh vi cua triet.
• Adding a wildcard symbol may retrieve word variants: ((su sach) or (hoc nganh)) ky nang x hoi. hieu va nham ((thuc va) or (thuc day)) hanh vi cua triet*.