Perhaps you should try some spelling variations:
hang dien » quang dien, dang dieu, nhan dien
thu sach » tu sach, thuat sach, thuoc sach
va triet » va thiet, va trien, ve triet
nang ma » tang ma, sang ma, nang cao
nang xa » nang x, lang xa, mang xa
sach ha » sach nha, sach han, sach xa
hanh di » hanh vi, hanh de, hang di
qua cam » qua cham, qua cac, qua ca
xuc va » duc va, tuc va, luc va

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

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