Perhaps you should try some spelling variations:
thanh vai » thanh hai, thanh van, thanh tai
day thanh » dao thanh, dat thanh, da thanh
cua triet » cua viet, su triet
sach thi » sach thu, sach tai, sach thieu
thi hanh » thi thanh
nam thuc » nam thuoc, am thuc, nam thu
thuc day » thuc dan, thuc vat
va triet » va thiet, va trien, ve triet
tu sach » thu sach, su sach, te sach
hanh xa » hanh va, hanh ma, hanh xu
hieu ve » hieu va, hieu van
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: tu sach thi hanh xa hoi. hieu ve nam thuc day thanh vai ((cua triet) or (va triet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach thi hanh xa hoi. hieu ve nam thuc day thanh vai ((cua triet) OR (va triet)).
• Adding a wildcard symbol may retrieve word variants: tu sach thi hanh xa hoi. hieu ve nam thuc day thanh vai ((cua triet) or (va triet))*.