Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
sach thuy » sach thu, sach thue, sach tham
thuy hanh » thuc hanh, thuy anh, thuy canh
hanh tai » thanh tai, hang tai, hinh tai
thuc day » thuc dan, thuc vat
han tai » hang tai, nhan tai, van tai
tu sach » thu sach, su sach, te sach
thuc va » thuc vat, thuc dan
hieu ve » hieu va, hieu van
hanh xa » hanh va, hanh ma, hanh xu
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: tu sach thuy hanh xa hoi. hieu ve am ((thuc va) or (thuc day)) ((hanh tai) OR (han tai)) cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach thuy hanh xa hoi. hieu ve am ((thuc va) OR (thuc day)) ((hanh tai) OR (han tai)) cua triet*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach thuy hanh xa hoi. hieu ve am ((thuc va) or (thuc day)) ((hanh tai) OR (han tai)) cua triet*".