Perhaps you should try some spelling variations:
nang cau » nang cao, hang cau, nang dau
va thanh » gia thanh, ban thanh, va tinh
thanh di » thanh doi, thanh de, thanh do
cau treo » cau theo, cau tren, cau triet
su sach » so sach, vu sach
y nang » ky nang, ly nang, v nang
ve cac » vien cac
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: su sach y nang cau hoi. hieu ((ve cac) OR (va cac)) duc va thanh di cau treo~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach y nang cau hoi. hieu ((ve cac) OR (va cac)) duc va thanh di cau treo".
• Adding a wildcard symbol may retrieve word variants: su sach y nang cau hoi. hieu ((ve cac) OR (va cac)) duc va thanh di cau treo*.