Perhaps you should try some spelling variations:
tan hanh » tan thanh, tang hanh, toan hanh
tu sach » thu sach, su sach, te sach
sach ly » sach y, sach lo, sach ty
ly nang » ky nang, ly hang, ly vang
nang xa » nang x, lang xa, nang ma
thi van » thi lan, thi hanh, thi nang
lam duc » lam duoc, pham duc, nam duoc
cua tre » cuu tre, cua triet, dua tren
cua te » cua tu

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: tu sach ly nang xa hoi. ((thien van) OR (thi van)) lam duc tan hanh vi ((cua tre) OR (cua te))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ly nang xa hoi. ((thien van) OR (thi van)) lam duc tan hanh vi ((cua tre) or (cua te))~".
• Adding a wildcard symbol may retrieve word variants: tu sach ly nang xa hoi. ((thien van) OR (thi van)) lam duc tan hanh vi ((cua tre) or (cua te))*.