Perhaps you should try some spelling variations:
thanh vai » thanh hai, thanh van, thanh tai
su triet » su viet, su tien, ve triet
va thanh » gia thanh, ban thanh, va tinh
nang ma » tang ma, sang ma, nang cao
cau xuc » cam xuc, cau luc, cau truc
hieu va » lieu va, hieu qua
sach ky » sac ky, sach y, sach kem
nang xa » nang x, lang xa, mang xa
sach ty » sach y, sach tu, sach thu
va cau » van cau, va cac, va dau
xuc va » duc va, tuc va, luc va
vai su » va su, van su, lai su

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 ty)) ((nang xa) OR (nang ma)) hoi. hieu va cau xuc va thanh vai su triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((sach ky) OR (sach ty)) ((nang xa) OR (nang ma)) hoi. hieu va cau xuc va thanh vai su triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu ((sach ky) or (sach ty)) ((nang xa) OR (nang ma)) hoi. hieu va cau xuc va thanh vai su triet".
• Adding a wildcard symbol may retrieve word variants: tu ((sach ky) or (sach ty)) ((nang xa) OR (nang ma)) hoi. hieu va cau xuc va thanh vai su triet*.