Perhaps you should try some spelling variations:
van hanh » van thanh, ban hanh, van anh
su sach » so sach, vu sach
lang xa » lang ha, dang xay, lang van
qua cam » qua cham, qua cac, qua ca
xuc van » duc van, luc van, vuc van
y lang » o lang, _ lang, tay lang
di cua » dai cua, doi cua, do cua
de cua » le cua, te cua, dieu cua

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 y lang xa hoi. hieu qua cam xuc van hanh ((di cua) OR (de cua)) triet~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach y lang xa hoi. hieu qua cam xuc van hanh ((di cua) OR (de cua)) triet".
• Adding a wildcard symbol may retrieve word variants: su sach y lang xa hoi. hieu qua cam xuc van hanh ((di cua) OR (de cua)) triet*.