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
nang xa » nang x, lang xa, nang ma
hieu va » hieu qua
xuc va » duc va, tuc va, luc va
ve cua » le cua, de cua, ve cum
te cua » tue cua, le cua, de 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 nang xa hoi. ((hieu va) or (lieu va)) cam xuc va thanh ((ve cua) or (te cua)) tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ky nang xa hoi. ((hieu va) OR (lieu va)) cam xuc va thanh ((ve cua) OR (te cua)) tre.
• Adding a wildcard symbol may retrieve word variants: su sach ky nang xa hoi. ((hieu va) or (lieu va)) cam xuc va thanh ((ve cua) or (te cua)) tre*.