Perhaps you should try some spelling variations:
chat xuc » chat huu, cam xuc, chao xu
van hanh » van thanh, ban hanh, van anh
sach ky » sac ky, sach ty, sach kem
lang xa » lang ha, dang xay, lang van
hieu ve » hieu va, hieu van
ve chat » va chat, van chat
xuc van » duc van, luc van, vuc van
vi va » vi van, vai va, vu va
thiet » thieu

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 ky) OR (sach y)) lang xa hoi. hieu ve chat xuc van hanh vi va thiet~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su ((sach ky) OR (sach y)) lang xa hoi. hieu ve chat xuc van hanh vi va thiet".
• Adding a wildcard symbol may retrieve word variants: su ((sach ky) OR (sach y)) lang xa hoi. hieu ve chat xuc van hanh vi va thiet*.