Perhaps you should try some spelling variations:
thanh di » thanh doi, thanh de, thanh do
cau tren » cu tren, dau tren, ca tren
su sach » so sach, vu sach
sach ty » sach y, sach tu, sach thu
ty nang » ky nang, ty xang, ty hang
nang xa » nang x, lang xa, nang ma
tuc van » thuc van, truc van, tuc va
truc va » thuc va, thuc vat, trung va
va dau » va dao
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: su sach ty nang xa hoi. lieu va dau ((tuc van) OR (truc va)) thanh di cau tren~.
• Adding a wildcard symbol may retrieve word variants: su sach ty nang xa hoi. lieu va dau ((tuc van) or (truc va)) thanh di cau tren*.