Perhaps you should try some spelling variations:
pham thuc » phap thuc, pham chuc, nham thuc
cua triet » cua viet, su triet, va triet
day hanh » day nhanh, day thanh, dao hanh
dac nhan » cac nhan, danh nhan, ca nhan
vu sach » vu bach, su sach, vu khach
ve pham » vi pham, v pham, ve phan
hieu ve » hieu va, hieu van
y nang » ky nang, ly nang, v nang
cua te » cua tu
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: vu sach y nang x hoi. hieu ve pham thuc ((day hanh) or (dac nhan)) de ((cua triet) or (cua te))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu sach y nang x hoi. hieu ve pham thuc ((day hanh) OR (dac nhan)) de ((cua triet) OR (cua te)).
• Adding a wildcard symbol may retrieve word variants: vu sach y nang x hoi. hieu ve pham thuc ((day hanh) or (dac nhan)) de ((cua triet) or (cua te))*.