Perhaps you should try some spelling variations:
cham xuc » cam xuc, chat xuc, cham soc
va hanh » van hanh, va thanh, va danh
sach ky » sac ky, sach ty, sach kem
hieu va » lieu va, hieu qua
va cham » va chat, va tham
lang ha » long ha
ha hoi » hoa hoi, ha noi, xa hoi
xuc va » duc va, tuc va, luc va
vi soi » vi toi
vi so » vi mo, va so, li so

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 ha hoi. hieu va cham xuc va hanh ((vi so) OR (vi soi)) viet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su ((sach ky) OR (sach y)) lang ha hoi. hieu va cham xuc va hanh ((vi so) OR (vi soi)) viet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su ((sach ky) or (sach y)) lang ha hoi. hieu va cham xuc va hanh ((vi so) OR (vi soi)) viet".
• Adding a wildcard symbol may retrieve word variants: su ((sach ky) or (sach y)) lang ha hoi. hieu va cham xuc va hanh ((vi so) OR (vi soi)) viet*.