Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
van hanh » van thanh, ban hanh, van anh
gia cua » gian cua, giau cua, gia cuc
va hanh » va thanh, va danh, ban hanh
cam luc » cam xuc, cau luc
su sach » so sach, vu sach
hang xa » hoang xa, hang ca, lang xa
hieu va » lieu va, hieu qua
va cam » va cham, va cac, va cao

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

• Performing a fuzzy search may retrieve terms with similar spellings: su sach thieu ((hang xa) or (hang va)) hoi. hieu va cam luc ((va hanh) OR (van hanh)) gia cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach thieu ((hang xa) OR (hang va)) hoi. hieu va cam luc ((va hanh) OR (van hanh)) gia cua triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach thieu ((hang xa) or (hang va)) hoi. hieu va cam luc ((va hanh) OR (van hanh)) gia cua triet".
• Adding a wildcard symbol may retrieve word variants: su sach thieu ((hang xa) or (hang va)) hoi. hieu va cam luc ((va hanh) OR (van hanh)) gia cua triet*.