Perhaps you should try some spelling variations:
hieu vien » hieu hien, hieu viec, lieu vien
vien cac » vien bach, vien dai, vien da
cac truc » cau truc, cac tru, cac trung
te sach » toc sach
truc va » thuc va, thuc vat, trung va
va danh » va dinh, va dan, va hanh
danh vi » hanh vi, dinh vi, danh di
lua tre » cua tre, luy tre, dua tren
y nang » ky nang, ly nang, v nang
vi lua » vi luu
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: te sach y nang x hoi. hieu vien cac truc va danh vi lua tre~.
• Adding a wildcard symbol may retrieve word variants: te sach y nang x hoi. hieu vien cac truc va danh vi lua tre*.