Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
thanh tai » thanh hai, thanh toan, doanh tai
sach ty » sach y, sach tu, sach thu
tai cua » thai cua, tai cuc, tri cua
so sach » so sanh, bo sach, co sach
nang ma » tang ma, sang ma, nang cao
ty nang » ky nang, ty xang, ty hang
va cam » va cham, va cao, va cai
luc va » duc va, tuc va
loc va » hoc va
ma hoi » mai hoi, xa hoi, ma hoa

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

• Performing a fuzzy search may retrieve terms with similar spellings: so sach ty nang ma hoi. lieu ((va cam) or (va cac)) ((luc va) OR (loc va)) thanh tai cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so sach ty nang ma hoi. lieu ((va cam) OR (va cac)) ((luc va) OR (loc va)) thanh tai cua triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "so sach ty nang ma hoi. lieu ((va cam) or (va cac)) ((luc va) OR (loc va)) thanh tai cua triet".
• Adding a wildcard symbol may retrieve word variants: so sach ty nang ma hoi. lieu ((va cam) or (va cac)) ((luc va) OR (loc va)) thanh tai cua triet*.