Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
nam thuoc » nam thuc, nam thu, nha thuoc
hanh van » thanh van, khanh van, hanh san
hanh vai » hanh vi, hanh tai, hanh voi
sach thi » sach thu, sach tai, sach thieu
thuoc va » thuc va, thuoc ma, thuong va
thi hang » thi hanh, thi nang, thi hong
hieu ve » hieu va, hieu van
hang xa » hoang xa, hang va, hang ca
hanh va » hang va, hanh vi
su sach » so sach, vu sach
ve nam » he nam, va nam, le nam

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 thi hang xa hoi. hieu ve nam thuoc va ((((hanh vai) OR (hanh van))) or (hanh va)) cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach thi hang xa hoi. hieu ve nam thuoc va ((((hanh vai) OR (hanh van))) OR (hanh va)) cua triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach thi hang xa hoi. hieu ve nam thuoc va ((((hanh vai) OR (hanh van))) or (hanh va)) cua triet".
• Adding a wildcard symbol may retrieve word variants: su sach thi hang xa hoi. hieu ve nam thuoc va ((((hanh vai) OR (hanh van))) or (hanh va)) cua triet*.