Perhaps you should try some spelling variations:
lam truoc » lam thuoc, nam truoc, lam truong
cau treo » cau theo, cau tren, cau triet
hieu van » hieu va, thien van, lieu va
truoc va » truc va, thuoc va, truong va
cuu tre » cua tre, cau tren
danh vi » hanh vi, dinh vi, danh di
va danh » va dinh, va dan, va hanh
sach ly » sach y, sach ty, sach hay
lang xa » lang ha, dang xay, lang van
sach lo » sach dao, sach doi, sach hoi
van lam » van nam

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

• Performing a fuzzy search may retrieve terms with similar spellings: so ((sach ly) OR (sach lo)) lang xa hoi. hieu van lam truoc va danh vi ((cuu tre) or (cau treo))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so ((sach ly) OR (sach lo)) lang xa hoi. hieu van lam truoc va danh vi ((cuu tre) OR (cau treo))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "so ((sach ly) OR (sach lo)) lang xa hoi. hieu van lam truoc va danh vi ((cuu tre) or (cau treo))*".