Perhaps you should try some spelling variations:
van cham » van chat, van tham, va cham
thuc dan » thuc hanh, hoc dan, thuc vat
dinh dau » dinh dat, dinh du, danh dau
cach ky » cac ky
nang xa » nang x, lang xa, nang ma
thi van » thi lan, thi hanh, thi nang
truc va » thuc va, thuc vat, trung va
dau cua » dai cua, day cua, cau 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: (cuoc or quoc) cach ky nang xa hoi. thi van cham ((truc va) or (thuc dan)) dinh dau cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (cuoc OR quoc) cach ky nang xa hoi. thi van cham ((truc va) OR (thuc dan)) dinh dau cua te.
• Adding a wildcard symbol may retrieve word variants: (cuoc or quoc) cach ky nang xa hoi. thi van cham ((truc va) or (thuc dan)) dinh dau cua te*.