Perhaps you should try some spelling variations:
thu sach » tu sach, thuat sach, thuoc sach
hieu van » hieu va, thien van, lieu va
lam duoc » nam duoc, luat duoc, lam thuoc
nang xa » nang x, lang xa, nang ma
van lam » van nam
duoc va » nuoc va, duc va, duoc ma
va danh » va dinh, va dan, va hanh
vai cua » hai cua, lai cua, bai cua
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: thu sach y nang xa hoi. hieu van lam duoc va danh ((vai cua) or (dai cua)) su~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu sach y nang xa hoi. hieu van lam duoc va danh ((vai cua) OR (dai cua)) su.
• Adding a wildcard symbol may retrieve word variants: thu sach y nang xa hoi. hieu van lam duoc va danh ((vai cua) or (dai cua)) su*.