Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
sach thi » sach thu, sach tai, sach thieu
thi hanh » thi thanh
thuc day » thuc dan, thuc vat
hanh lai » hanh lam, thanh lap, thanh loi
hanh tai » thanh tai, hang tai, han tai
su sach » so sach, vu sach
hanh xa » hanh va, hanh ma, hanh xu
hieu ve » hieu va, hieu van
ve am » va am

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 hanh xa hoi. hieu ve am thuc day ((hanh lai) OR (hanh tai)) cua triet~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach thi hanh xa hoi. hieu ve am thuc day ((hanh lai) OR (hanh tai)) cua triet".
• Adding a wildcard symbol may retrieve word variants: su sach thi hanh xa hoi. hieu ve am thuc day ((hanh lai) OR (hanh tai)) cua triet*.