Perhaps you should try some spelling variations:
thuc day » thuc dan, thuc vat
so sach » so sanh, bo sach, co sach
nang ma » tang ma, sang ma, nang cao
hieu ve » hieu va, hieu van
thuc va » thuc vat, thuc dan
y nang » ky nang, ly nang, v nang
ve cam » ve cham, ve cac, va cam
vi cua » vai cua
di cua » dai cua, doi cua, de cua

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 y nang ma hoa. hieu ve cam ((thuc va) or (thuc day)) hanh ((vi cua) or (di cua)) triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so sach y nang ma hoa. hieu ve cam ((thuc va) OR (thuc day)) hanh ((vi cua) OR (di cua)) triet.
• Adding a wildcard symbol may retrieve word variants: so sach y nang ma hoa. hieu ve cam ((thuc va) or (thuc day)) hanh ((vi cua) or (di cua)) triet*.