Perhaps you should try some spelling variations:
dung thai » duong thai, dung tai, dung thi
nam thuoc » nam thuc, nam thu, nha thuoc
dung hai » dung tai, dung ha, dung sai
ky lang » ky nang, ky dang, ky tang
lang ha » long ha
hieu va » lieu va, hieu qua
cam tuc » cam xuc, cam tu, nam thuc
tu sac » tu sach, tu cac, tu san
cua te » cua tu
sac ky » cac ky, sai ky
ha hoi » hoa hoi, ha noi, xa hoi

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sac ky lang ha hoi. hieu va ((cam tuc) or (nam thuoc)) va ((dung thai) OR (dung hai)) cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sac ky lang ha hoi. hieu va ((cam tuc) OR (nam thuoc)) va ((dung thai) OR (dung hai)) cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sac ky lang ha hoi. hieu va ((cam tuc) or (nam thuoc)) va ((dung thai) OR (dung hai)) cua te".
• Adding a wildcard symbol may retrieve word variants: tu sac ky lang ha hoi. hieu va ((cam tuc) or (nam thuoc)) va ((dung thai) OR (dung hai)) cua te*.