Perhaps you should try some spelling variations:
nham thuc » nhan thuc, nam thuc, nham thu
hieu van » hieu va, thien van, lieu va
van nham » van nam, van nhan, van tham
thuc gia » thuc giai, thue gia, thuc dia
tu sach » thu sach, su sach, te sach
nang xa » nang x, lang xa, nang ma
hai cuu » hai chu, thai cua, cham cuu
hai cua » thai cua, dai cua, hoi cua
hai cuc » tai cuc, thai cua, hai huoc
y nang » ky nang, ly nang, v nang

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. hieu van nham thuc gia thanh ((((hai cuu) or (hai cua))) or (hai cuc)) tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach y nang xa hoi. hieu van nham thuc gia thanh ((((hai cuu) OR (hai cua))) OR (hai cuc)) tre.
• Adding a wildcard symbol may retrieve word variants: tu sach y nang xa hoi. hieu van nham thuc gia thanh ((((hai cuu) or (hai cua))) or (hai cuc)) tre*.