Perhaps you should try some spelling variations:
loai nang » loai nam, luan nang, loai san
thien van » thi van
thanh vi » hanh vi, thanh va, thanh ve
va thanh » gia thanh, ban thanh, va tinh
bo sach » co sach, hoc sach
cua tre » cua te, cuu tre, cua triet
hoc tuc » hoc thuc, hoc truc, hoc tu
van hoc » van hoa
lo nang » ho nang, ly nang, cao nang
ca tren » cau tren, cu tren, la tren
tuc va » thuc va, truc va, tuc xa
x hoi » xa hoi, o hoi, x ho

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

• Performing a fuzzy search may retrieve terms with similar spellings: bo sach ((lo nang) OR (loai nang)) x hoi. thien van hoc tuc va thanh vi ((cua tre) or (ca tren))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: bo sach ((lo nang) OR (loai nang)) x hoi. thien van hoc tuc va thanh vi ((cua tre) OR (ca tren)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "bo sach ((lo nang) OR (loai nang)) x hoi. thien van hoc tuc va thanh vi ((cua tre) or (ca tren))".
• Adding a wildcard symbol may retrieve word variants: bo sach ((lo nang) OR (loai nang)) x hoi. thien van hoc tuc va thanh vi ((cua tre) or (ca tren))*.