Perhaps you should try some spelling variations:
su sach » so sach, vu sach
ky dang » ky nang, ky danh
cam luc » cam xuc, cau luc
ky lang » ky nang, ky tang, tay lang
so sanh » do sanh
va cam » va cham, va cac, va cao
luc va » duc va, tuc va, loc va
va dan » ca dan, va dao, va dau
dan vi » doan vi, don vi, dan va
vi cua » vai cua, di cua
cua te » cua tu

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 (so sanh)) ((ky lang) OR (ky dang)) xa hoi. lieu va cam luc va dan vi cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((su sach) OR (so sanh)) ((ky lang) OR (ky dang)) xa hoi. lieu va cam luc va dan vi cua te*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((su sach) or (so sanh)) ((ky lang) OR (ky dang)) xa hoi. lieu va cam luc va dan vi cua te*".