Perhaps you should try some spelling variations:
cuu tre » cua tre, cau tren, cau treo
ky lang » ky nang, ky dang, tay lang
ky tang » ky nang, ky dang, kho tang
tinh vi » trinh vi, tinh voi, tinh va
va tinh » may tinh
vi cuu » vi luu, vinh cuu
luc va » duc va, tuc va, loc va
su sac » su sach, su cac, su xac
ve cac » va cac, vien cac
ve co » vo co, va co, de co

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

• Performing a fuzzy search may retrieve terms with similar spellings: su sac ((ky lang) or (ky tang)) xa hoi. hieu ((ve cac) or (ve co)) luc va tinh vi cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sac ((ky lang) OR (ky tang)) xa hoi. hieu ((ve cac) OR (ve co)) luc va tinh vi cuu tre.
• Adding a wildcard symbol may retrieve word variants: su sac ((ky lang) or (ky tang)) xa hoi. hieu ((ve cac) or (ve co)) luc va tinh vi cuu tre*.