Perhaps you should try some spelling variations:
va thanh » gia thanh, ban thanh, va tinh
su sach » so sach, vu sach
sach ky » sac ky, sach y, sach ty
ky dang » ky nang, ky danh
dang xa » dang xay, lang xa, dang ha
va cam » va cham, va cao, va cai
xuc va » duc va, tuc va, luc va
vi cua » vai cua, di 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 ky dang xa hoi. lieu ((va cam) or (va cac)) xuc va thanh ((vi cua) or (dai cua)) tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ky dang xa hoi. lieu ((va cam) OR (va cac)) xuc va thanh ((vi cua) OR (dai cua)) tre.
• Adding a wildcard symbol may retrieve word variants: su sach ky dang xa hoi. lieu ((va cam) or (va cac)) xuc va thanh ((vi cua) or (dai cua)) tre*.