Perhaps you should try some spelling variations:
phap thuc » phap thu, phap hoc, phap tu
day dinh » dao dinh, day danh, dang dinh
thuc day » thuc dan, thuc vat
hieu ve » hieu va, hieu van
dinh le » dinh ve, dinh ly, dinh ket
ve phap » va phap, de phap, ve phan
tu sach » thu sach, su sach, tu cach
nang xa » nang x, lang xa, nang ma
ty nang » ky nang, ty xang, ty hang
vu sach » vu bach, su sach, vu khach
te sach » toc sach
le cua » ly cua
cua te » cua tu

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

• If you are trying to use Boolean operators, they must be ALL CAPS: ((((tu sach) OR (te sach))) OR (vu sach)) ty nang xa hoi. hieu ve phap thuc day dinh le cua te~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((tu sach) OR (te sach))) or (vu sach)) ty nang xa hoi. hieu ve phap thuc day dinh le cua te~".
• Adding a wildcard symbol may retrieve word variants: ((((tu sach) OR (te sach))) or (vu sach)) ty nang xa hoi. hieu ve phap thuc day dinh le cua te*.