Perhaps you should try some spelling variations:
sach truc » cach thuc, sach tren, sach thu
sach tru » sach thu, sach tu, sach tren
chieu tu » chieu tro, lieu tu, chu tu
cham duc » pham duc, cham soc, pham duy
ve triet » va trien, su triet
nang xa » nang x, lang xa, nang ma
tu cham » toc cham, thi cham
va hanh » van hanh, va thanh, va danh
hanh de » hanh ve, hanh kem

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

• Performing a fuzzy search may retrieve terms with similar spellings: so ((sach tru) OR (sach truc)) nang xa hoi. chieu tu cham duc va hanh de ve triet~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "so ((sach tru) OR (sach truc)) nang xa hoi. chieu tu cham duc va hanh de ve triet".
• Adding a wildcard symbol may retrieve word variants: so ((sach tru) OR (sach truc)) nang xa hoi. chieu tu cham duc va hanh de ve triet*.