Perhaps you should try some spelling variations:
cau tren » cu tren, dau tren, ca tren
su sach » so sach, vu sach
sach ky » sac ky, sach y, sach ty
lang xa » lang ha, dang xay, lang van
cac suc » cao suc, cac nuoc, cac cuoc
va tinh » may tinh
tinh vi » trinh vi, tinh voi, tinh va
suc va » duc va, tuc va, luc va
cua te » cua tu

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

• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ky ((nang x) OR (lang xa)) hoi. lieu va cac suc va tinh vi ((cua te) OR (cau tren))~.
• Adding a wildcard symbol may retrieve word variants: su sach ky ((nang x) or (lang xa)) hoi. lieu va cac suc va tinh vi ((cua te) or (cau tren))*.