Perhaps you should try some spelling variations:
thuc day » thuc vat
thuc dan » thuc hanh, hoc dan, thuc vat
vu sach » vu bach, su sach, vu khach
nang ma » tang ma, sang ma, nang cao
hieu va » lieu va, hieu qua
danh du » danh dau, danh tu, dinh du
y nang » ky nang, ly nang, v nang
ma hoi » mai hoi, xa hoi, ma hoa
va cam » va cham, va cac, va cao
du cua » duy cua, dau cua, dum cua
cua te » cua tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: vu sach y nang ma hoi. hieu va cam ((thuc day) OR (thuc dan)) danh du cua te~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "vu sach y nang ma hoi. hieu va cam ((thuc day) OR (thuc dan)) danh du cua te".
• Adding a wildcard symbol may retrieve word variants: vu sach y nang ma hoi. hieu va cam ((thuc day) OR (thuc dan)) danh du cua te*.