Perhaps you should try some spelling variations:
nam thuoc » nam thuc, nam thu, nha thuoc
va thanh » ban thanh, va tinh, le thanh
nang xa » nang x, lang xa, nang ma
hieu he » hieu ve, hiem he, hieu le
vu sai » vu hai, vu san, vu dai
sai ky » sac ky
he nam » ha nam, nghe nam
cua tu » cua tuc, cua su, cua te
cua cu » cua chu, cua cau, cua 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 sai ky nang xa hoi. hieu he nam thuoc ((va thanh) or (gia thanh)) vi ((cua tu) or (cua cu))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu sai ky nang xa hoi. hieu he nam thuoc ((va thanh) OR (gia thanh)) vi ((cua tu) OR (cua cu)).
• Adding a wildcard symbol may retrieve word variants: vu sai ky nang xa hoi. hieu he nam thuoc ((va thanh) or (gia thanh)) vi ((cua tu) or (cua cu))*.