Perhaps you should try some spelling variations:
nam thuc » nam thuoc, am thuc, nam thu
than tai » thanh tai, toan tai, nhan tai
toc sac » toc sach, toc san, hoc sach
ky tang » ky nang, ky dang, kho tang
tang xa » trang xa, tang ma, lang xa
hieu va » lieu va, hieu qua
thuc va » thuc vat, thuc dan, thuc day
han tai » hang tai, nhan tai, van tai
sac ky » cac ky, sai ky
va nam » van nam, ha nam, va nay
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: toc sac ky tang xa hoi. hieu va nam thuc va ((han tai) or (than tai)) cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc sac ky tang xa hoi. hieu va nam thuc va ((han tai) OR (than tai)) cua te.
• Adding a wildcard symbol may retrieve word variants: toc sac ky tang xa hoi. hieu va nam thuc va ((han tai) or (than tai)) cua te*.