Perhaps you should try some spelling variations:
sach ky » sach y, sach ty, sach kem
lang xa » lang ha, dang xay, lang van
hieu va » lieu va, hieu qua
lam loc » lam duoc, lam ngoc
va hanh » van hanh, va thanh, va danh
sac ky » cac ky, sai ky
va lam » van lam, va lap
loc va » hoc va, luc va
vi cua » vai cua, di cua
cua te » cua tu

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 (sac ky)) lang xa hoi. hieu va lam loc va hanh vi cua te~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su ((sach ky) OR (sac ky)) lang xa hoi. hieu va lam loc va hanh vi cua te".
• Adding a wildcard symbol may retrieve word variants: su ((sach ky) OR (sac ky)) lang xa hoi. hieu va lam loc va hanh vi cua te*.