Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
thu nang » thi nang, thu hang, thu bang
sach thu » sach thue, sach thieu, sach tham
hanh di » hanh vi, hanh de, hang di
va hanh » van hanh, va thanh, va danh
su sach » so sach, vu sach
va cam » va cham, va cac, va cao
xuc va » duc va, tuc va, luc va
di cua » dai cua, doi cua, de cua
ve cam » ve cham, ve cac, ve cai
5 hoi » o hoi

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 thu nang ((5 hoi) or (xa hoi)). hieu ((ve cam) or (va cam)) xuc va hanh di cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach thu nang ((5 hoi) OR (xa hoi)). hieu ((ve cam) OR (va cam)) xuc va hanh di cua triet.
• Adding a wildcard symbol may retrieve word variants: su sach thu nang ((5 hoi) or (xa hoi)). hieu ((ve cam) or (va cam)) xuc va hanh di cua triet*.