Perhaps you should try some spelling variations:
nam thuoc » nam thuc, nam thu, nha thuoc
nang ma » tang ma, sang ma, nang cao
hieu he » hieu ve, hiem he, hieu le
va tinh » may tinh
vu sac » vu sach, vu san, va sac
sac ky » cac ky, sai ky
ma hoi » mai hoi, xa hoi, ma hoa
he nam » ha nam, nghe nam
cua tu » cua tuc, cua cu, cua te
cua su » qua su

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 nang ma hoi. hieu he nam thuoc ((va tinh) or (gia thanh)) vi ((cua tu) or (cua su))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu sac ky nang ma hoi. hieu he nam thuoc ((va tinh) OR (gia thanh)) vi ((cua tu) OR (cua su)).
• Adding a wildcard symbol may retrieve word variants: vu sac ky nang ma hoi. hieu he nam thuoc ((va tinh) or (gia thanh)) vi ((cua tu) or (cua su))*.