Perhaps you should try some spelling variations:
tham thuc » nham thuc, pham thuc, tam thuc
cua triet » cua viet, su triet, va triet
bo sach » co sach, hoc sach
hoc anh » hoc nganh, hoc nhanh, ngoc anh
nang xa » nang x, lang xa, nang ma
hieu ve » hieu va, hieu van
ve tham » va tham, ve cham, vi tham
thuc xa » thuc xay, tuc xa, thuc va
xa hanh » xa thanh, xa khanh, va hanh
vi cua » vai cua, di cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((bo sach) or (hoc anh)) ky nang xa hoi. hieu ve tham thuc xa hanh vi cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((bo sach) OR (hoc anh)) ky nang xa hoi. hieu ve tham thuc xa hanh vi cua triet.
• Adding a wildcard symbol may retrieve word variants: ((bo sach) or (hoc anh)) ky nang xa hoi. hieu ve tham thuc xa hanh vi cua triet*.