Perhaps you should try some spelling variations:
thuc van » thuc vat, thuc dan, thuc va
vu sach » vu bach, su sach, vu khach
sach ty » sach y, sach tu, sach thu
nang xa » nang x, lang xa, nang ma
ty nang » ky nang, ty xang, ty hang
tuc va » thuc va, truc va, tuc xa
va dau » va dao
di cuu » di cua, dinh cuu
di cau » da cau, diem cau

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

• If you are trying to use Boolean operators, they must be ALL CAPS: vu sach ty nang xa hoi. lieu va dau ((tuc va) OR (thuc van)) hanh ((di cuu) OR (di cau)) tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "vu sach ty nang xa hoi. lieu va dau ((tuc va) or (thuc van)) hanh ((di cuu) OR (di cau)) tre~".
• Adding a wildcard symbol may retrieve word variants: vu sach ty nang xa hoi. lieu va dau ((tuc va) or (thuc van)) hanh ((di cuu) OR (di cau)) tre*.