Perhaps you should try some spelling variations:
thu sach » tu sach, thuat sach, thuoc sach
cham duc » pham duc, cham soc, pham duy
toc cham » toc thai
sach tru » sach truc, sach thu, sach tu
hieu toc » hieu hoc, hieu tuc, sieu toc
ve triet » va trien, su triet
nang xa » lang xa, nang ma, mang xa
danh de » hanh de, dang de, danh di
dan de » dan den, dang de, van de

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 tru ((nang xa) OR (nang x)) hoi. hieu toc cham duc va ((danh de) or (dan de)) ve triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu sach tru ((nang xa) OR (nang x)) hoi. hieu toc cham duc va ((danh de) OR (dan de)) ve triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thu sach tru ((nang xa) OR (nang x)) hoi. hieu toc cham duc va ((danh de) or (dan de)) ve triet".
• Adding a wildcard symbol may retrieve word variants: thu sach tru ((nang xa) OR (nang x)) hoi. hieu toc cham duc va ((danh de) or (dan de)) ve triet*.