Perhaps you should try some spelling variations:
thuc dan » thuc hanh, hoc dan, thuc vat
dan dinh » dang dinh, doan dinh, van dinh
dinh dai » dinh dat, sinh dai, dinh dao
vu sach » vu bach, su sach, vu khach
nang ma » tang ma, sang ma, nang cao
ve cham » va cham, ve chat, vu cham
y nang » ky nang, ly nang, v nang
ma hoi » mai hoi, xa hoi, ma hoa
ve cam » ve cac, va cam, ve cai
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 ((ve cam) or (ve cham)) thuc dan dinh dai cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu sach y nang ma hoi. hieu ((ve cam) OR (ve cham)) thuc dan dinh dai cua te.
• Adding a wildcard symbol may retrieve word variants: vu sach y nang ma hoi. hieu ((ve cam) or (ve cham)) thuc dan dinh dai cua te*.