Perhaps you should try some spelling variations:
qua cham » qua hai, qua cac, va cham
cham tuc » nham thuc, pham thuc, tham thuc
ky tang » ky nang, ky dang, kho tang
tang ma » mang may, tang van
va hanh » van hanh, va thanh, va danh
tu sac » tu sach, tu cac, tu san
sac ky » cac ky, sai ky
ma hoi » mai hoi, xa hoi, ma hoa
tuc va » thuc va, truc va, tuc xa
tai su » tai so, lai su, tai du

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: tu sac ky tang ma hoi. hieu qua cham tuc va hanh ((tai su) OR (tai tu)) triet~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sac ky tang ma hoi. hieu qua cham tuc va hanh ((tai su) OR (tai tu)) triet".
• Adding a wildcard symbol may retrieve word variants: tu sac ky tang ma hoi. hieu qua cham tuc va hanh ((tai su) OR (tai tu)) triet*.