Perhaps you should try some spelling variations:
thien van » thi van
cau treo » cau theo, cau tren, cau triet
su sach » so sach, vu sach
nang xa » nang x, lang xa, nang ma
van bac » van ban, van bao, van hac
bac tuc » bac tu, bach tuoc, bac thua
va hanh » van hanh, va thanh, va danh
cua tre » cua te, cua triet, dua tren
cuu tre » cau tren
y nang » ky nang, ly nang, v nang
tuc va » thuc va, truc va, tuc xa

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 xa hoi. thien van bac tuc va hanh vi ((cua tre) or (((cuu tre) or (cau treo))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach y nang xa hoi. thien van bac tuc va hanh vi ((cua tre) OR (((cuu tre) OR (cau treo)))).
• Adding a wildcard symbol may retrieve word variants: su sach y nang xa hoi. thien van bac tuc va hanh vi ((cua tre) or (((cuu tre) or (cau treo))))*.