Perhaps you should try some spelling variations:
cac trung » cac truong, dac trung, bac trung
hieu vien » hieu hien, hieu viec, lieu vien
trung ban » trong ban, trung van, trung can
vien cac » vien bach, vien dai, vien da
ban xanh » ban hanh, ban anh, ban banh
su sach » so sach, vu sach
xanh di » danh di, vanh dai, xanh tai
su tien » su kien, su hien, tu tieng
sach v » sach va, sach y, sach 2
v nang » va nang, vu nang, van nang
di su » doi su, ki su, da su

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

• Performing a fuzzy search may retrieve terms with similar spellings: su sach v nang x ho. hieu vien cac trung ban xanh di su tien~.
• Adding a wildcard symbol may retrieve word variants: su sach v nang x ho. hieu vien cac trung ban xanh di su tien*.