Perhaps you should try some spelling variations:
phap thuc » phap thu, phap hoc, phap tu
van phap » ban phap, va phap, van phan
hieu van » hieu va, thien van, lieu va
day manh » van manh, duc manh, ha manh
day danh » dai danh, dao danh, day dan
tu sach » thu sach, su sach, te sach
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 cua » tue cua, le cua, de 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 (vu sach)) ty nang xa hoi. hieu van phap thuc ((day danh) OR (day manh)) te cua te~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((tu sach) or (vu sach)) ty nang xa hoi. hieu van phap thuc ((day danh) OR (day manh)) te cua te~".
• Adding a wildcard symbol may retrieve word variants: ((tu sach) or (vu sach)) ty nang xa hoi. hieu van phap thuc ((day danh) OR (day manh)) te cua te*.