Perhaps you should try some spelling variations:
hieu vien » hieu hien, hieu viec, thieu nien
dang xay » dang van, van xay
vien cac » vien bach, vien dai, vien da
vu sach » vu bach, su sach, vu khach
sach ty » sach y, sach tu, sach thu
ty dang » ty xang, ky dang, ty hang
xay hoi » xa hoi, tay hoi, cay phoi
cac xuc » cam xuc, cac nuoc, chat xuc
va hanh » van hanh, va thanh, va danh
xuc va » duc va, tuc va, luc va
cua tu » cua tuc, cua su, cua cu

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

• Performing a fuzzy search may retrieve terms with similar spellings: vu sach ty dang xay hoi. hieu vien cac xuc va hanh vi ((cua te) OR (cua tu))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "vu sach ty dang xay hoi. hieu vien cac xuc va hanh vi ((cua te) OR (cua tu))".
• Adding a wildcard symbol may retrieve word variants: vu sach ty dang xay hoi. hieu vien cac xuc va hanh vi ((cua te) OR (cua tu))*.