Perhaps you should try some spelling variations:
thuoc dang » thuoc dung, thuoc khang, thuc dan
nam thuoc » nam thuc, nam thu, nha thuoc
cua triet » cua viet, va triet
dang hanh » dang thanh, ban hanh, dang van
su triet » su viet, su tien, ve triet
hieu hoa » tieu hoa, dieu hoa, hiep hoa
hoa nam » hoai nam, hoat nam, hoa am
nang xa » nang x, lang xa, nang ma
sac ky » cac ky

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

• Performing a fuzzy search may retrieve terms with similar spellings: vu ((sac ky) OR (sai ky)) nang xa hoi. hieu hoa nam thuoc dang hanh vi ((cua triet) or (su triet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu ((sac ky) OR (sai ky)) nang xa hoi. hieu hoa nam thuoc dang hanh vi ((cua triet) OR (su triet))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "vu ((sac ky) OR (sai ky)) nang xa hoi. hieu hoa nam thuoc dang hanh vi ((cua triet) or (su triet))*".