Perhaps you should try some spelling variations:
cham tuc » nham thuc, pham thuc, tham thuc
va thanh » gia thanh, ban thanh, va tinh
thanh di » thanh doi, thanh de, thanh do
cau tren » cu tren, dau tren, ca tren
te sach » toc sach
so sach » so sanh, bo sach, co sach
nang co » nang cao, nang doc, nang noi
hieu ve » hieu va, hieu van
ve cham » va cham, ve chat, vu cham
co hai » co dai, co hoi, o hai
tuc va » thuc va, truc va, tuc xa
di cau » da cau, diem cau

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((te sach) or (so sach)) ky nang co hai. hieu ve cham tuc va thanh di cau tren~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((te sach) OR (so sach)) ky nang co hai. hieu ve cham tuc va thanh di cau tren.
• Adding a wildcard symbol may retrieve word variants: ((te sach) or (so sach)) ky nang co hai. hieu ve cham tuc va thanh di cau tren*.