Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
nam thuc » nam thuoc, am thuc, nam thu
xach tay » canh tay
sach thu » sach thue, sach thieu, sach tham
lang xa » lang ha, dang xay, lang van
hieu va » lieu va, hieu qua
thuc va » thuc vat, thuc dan, thuc day
hanh va » hang va
va nam » van nam, ha nam, va nay

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

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