Perhaps you should try some spelling variations:
su triet » su viet, su tien, ve triet
tu sach » thu sach, su sach, te sach
nang xa » nang x, lang xa, nang ma
va cham » va chat, va tham
hanh de » hanh ve, hanh kem
y nang » ky nang, ly nang, v nang
goc va » doc va, uoc va
loc va » luc va
de su » den su, ve su, de tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sach y nang xa hoi. lieu va cham ((((goc va) or (hoc va))) or (loc va)) hanh de su triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach y nang xa hoi. lieu va cham ((((goc va) OR (hoc va))) OR (loc va)) hanh de su triet.
• Adding a wildcard symbol may retrieve word variants: tu sach y nang xa hoi. lieu va cham ((((goc va) or (hoc va))) or (loc va)) hanh de su triet*.