Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
danh thai » anh thai, dang thai, dinh thai
thai cua » than cua, tai cuc, tri cua
va danh » va dinh, va dan, va hanh
truc va » thuc va, thuc vat, trung va
hieu va » lieu va, hieu qua
tu sach » thu sach, su sach, te sach
nang ma » tang ma, sang ma, nang cao
nang xa » nang x, mang xa, ang xa
lang xa » lang ha, dang xay, lang van
va cau » van cau, va cac, va dau

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 y ((((nang xa) OR (nang ma))) or (lang xa)) hoi. hieu va cau truc va danh thai cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach y ((((nang xa) OR (nang ma))) OR (lang xa)) hoi. hieu va cau truc va danh thai cua triet*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach y ((((nang xa) OR (nang ma))) or (lang xa)) hoi. hieu va cau truc va danh thai cua triet*".