Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
manh hanh » xanh hanh, danh thanh, minh thanh
cham duc » pham duc, cham soc, pham duy
hanh lai » hanh lam, hanh tai, thanh lap
duc manh » suc manh, duc anh, duc minh
sach thu » sach thue, sach thieu, sach tham
lang xa » lang ha, dang xay, lang van
hieu va » lieu va, hieu qua
va cham » va chat, va tham
nang xa » nang x, nang ma, mang xa
lai cua » dai cua, hai cua, lai chau

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) or (sach thu)) ((nang xa) OR (lang xa)) hoi. hieu va cham duc manh hanh lai cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((sach y) OR (sach thu)) ((nang xa) OR (lang xa)) hoi. hieu va cham duc manh hanh lai cua triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu ((sach y) or (sach thu)) ((nang xa) OR (lang xa)) hoi. hieu va cham duc manh hanh lai cua triet".
• Adding a wildcard symbol may retrieve word variants: tu ((sach y) or (sach thu)) ((nang xa) OR (lang xa)) hoi. hieu va cham duc manh hanh lai cua triet*.