Perhaps you should try some spelling variations:
su sach » so sach
vu sach » vu bach, vu khach
nang xa » nang x, lang xa, nang ma
xa xanh » xa thanh, cay xanh, mau xanh
xanh di » danh di, vanh dai, xanh tai
cua tre » cua te, cuu tre, cua triet
ve cac » vien cac
di cua » dai cua, doi cua, de cua

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) or (vu sach)) ky nang xa hoi. hieu ((ve cac) or (va cac)) tuc xa xanh di cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((su sach) OR (vu sach)) ky nang xa hoi. hieu ((ve cac) OR (va cac)) tuc xa xanh di cua tre.
• Adding a wildcard symbol may retrieve word variants: ((su sach) or (vu sach)) ky nang xa hoi. hieu ((ve cac) or (va cac)) tuc xa xanh di cua tre*.