Perhaps you should try some spelling variations:
lieu vien » lieu dien, lieu viet, dieu kien
vien sach » vien bach, dien sach, viet sach
sach nuoc » sach duoc, cac nuoc, bach tuoc
xanh cay » xanh ca, nhanh cay, xanh lam
cau tren » cu tren, ca tren, cau treo
dau tren » dau tien, dat tren, dau tieng
su sach » so sach, vu sach
sach ky » sac ky, sach y, sach ty
nang xa » nang x, lang xa, nang ma

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 ky nang xa hoi. lieu vien sach nuoc va ((xanh a) or (xanh cay)) ((cau tren) or (dau tren))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ky nang xa hoi. lieu vien sach nuoc va ((xanh a) OR (xanh cay)) ((cau tren) OR (dau tren)).
• Adding a wildcard symbol may retrieve word variants: su sach ky nang xa hoi. lieu vien sach nuoc va ((xanh a) or (xanh cay)) ((cau tren) or (dau tren))*.