Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
thanh vai » thanh hai, thanh van, thanh tai
toc sach » hoc sach, doc sach, thuoc sach
sach thu » sach thue, sach thieu, sach tham
thu hanh » thuc hanh, thu thanh, thuy hanh
cac nuoc » cap nuoc, hoc nuoc, dat nuoc
xa thanh » va thanh, ha thanh, ta thanh
hanh xa » hanh va, hanh ma, hanh xu
hieu va » lieu va, hieu qua
cac toc » cac toi, cac thoi
vai cua » dai cua, hai cua, lai cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc sach thu hanh xa hoi. hieu va ((cac toc) or (cac nuoc)) xa thanh vai cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc sach thu hanh xa hoi. hieu va ((cac toc) OR (cac nuoc)) xa thanh vai cua triet.
• Adding a wildcard symbol may retrieve word variants: toc sach thu hanh xa hoi. hieu va ((cac toc) or (cac nuoc)) xa thanh vai cua triet*.