Perhaps you should try some spelling variations:
phap thuoc » phap thuc, pham thuoc, phap truoc
ban thanh » ban hanh, ban hang
thuoc ban » thuoc tan, thuoc dang, thu ban
thanh di » thanh doi, thanh de, thanh do
thu hang » thi hang, thuc hanh, thu huong
hieu va » lieu va, hieu qua
va phap » va phat, ban phap
su sach » so sach, vu sach
ly hang » ly quang
ty hang » ty xang, thi hang
di cua » dai cua, doi cua, de cua
cua te » cua tu

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 ((((ty hang) OR (thu hang))) or (ly hang)) xa hoi. hieu va phap thuoc ban thanh di cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ((((ty hang) OR (thu hang))) OR (ly hang)) xa hoi. hieu va phap thuoc ban thanh di cua te*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach ((((ty hang) OR (thu hang))) or (ly hang)) xa hoi. hieu va phap thuoc ban thanh di cua te*".