Perhaps you should try some spelling variations:
nam thuc » nam thuoc, am thuc, nam thu
thuc dan » thuc hanh, hoc dan, thuc vat
dan dung » van dung, tin dung, ap dung
dung dai » duong dai, dung tai, dung dat
thu hien » thuc hien, thi hien, thua thien
tu sach » thu sach, su sach, te sach
sach ky » sac ky, sach y, sach ty
dai thu » dai thua, dai thuc, doi thu
va nam » van nam, ha nam, va nay
x hoi » xa hoi, o hoi, x ho

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sach ky nang x hoi. lieu va nam thuc dan dung dai thu hien~.
• Adding a wildcard symbol may retrieve word variants: tu sach ky nang x hoi. lieu va nam thuc dan dung dai thu hien*.