Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
san benh » sau benh, tai benh, so benh
thu sach » tu sach, thuat sach, thuoc sach
nang xa » lang xa, nang ma, mang xa
sach ty » sach y, sach tu, sach thu
van cam » van lam, van cau, van dam
xuc san » xuc ban, luc sang, nuoc san
benh di » benh dai, ben di, benh da
di cua » dai cua, doi cua, de cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: thu sach ty ((nang xa) or (nang x)) hoi. thien ((van cam) OR (van nam)) xuc san benh di cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu sach ty ((nang xa) OR (nang x)) hoi. thien ((van cam) OR (van nam)) xuc san benh di cua triet*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thu sach ty ((nang xa) or (nang x)) hoi. thien ((van cam) OR (van nam)) xuc san benh di cua triet*".