Perhaps you should try some spelling variations:
cau tren » cu tren, dau tren, ca tren
sach dao » lanh dao
cham xuc » chat xuc, cham soc, pham duc
sach va » sach xa, sach ha, sach nha
hanh di » hanh vi, hanh de, hang di
va hanh » van hanh, va thanh, va danh
hieu ve » hieu va, hieu van
nang xa » nang x, lang xa, nang ma
di cau » da cau, diem cau

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu ((sach va) OR (sach dao)) nang xa hoi. hieu ve ((cham xuc) or (cam xuc)) va hanh di cau tren~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((sach va) OR (sach dao)) nang xa hoi. hieu ve ((cham xuc) OR (cam xuc)) va hanh di cau tren.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu ((sach va) OR (sach dao)) nang xa hoi. hieu ve ((cham xuc) or (cam xuc)) va hanh di cau tren".
• Adding a wildcard symbol may retrieve word variants: tu ((sach va) OR (sach dao)) nang xa hoi. hieu ve ((cham xuc) or (cam xuc)) va hanh di cau tren*.