Perhaps you should try some spelling variations:
sach ky » sach ty, sach kem, sach hay
nang xa » nang x, lang xa, nang ma
hieu va » lieu va, hieu qua
cam luc » cam xuc, cau luc
va hanh » van hanh, va thanh, va danh
sac ky » cac ky, sai ky
va cam » va cham, va cac, va cao
luc va » duc va, tuc va, loc 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: tu ((((sach ky) OR (sach y))) or (sac ky)) nang xa hoi. hieu va cam luc va hanh vi cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((((sach ky) OR (sach y))) OR (sac ky)) nang xa hoi. hieu va cam luc va hanh vi cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu ((((sach ky) OR (sach y))) or (sac ky)) nang xa hoi. hieu va cam luc va hanh vi cua te".
• Adding a wildcard symbol may retrieve word variants: tu ((((sach ky) OR (sach y))) or (sac ky)) nang xa hoi. hieu va cam luc va hanh vi cua te*.