Perhaps you should try some spelling variations:
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
cuoc » quoc, duoc

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

• Performing a fuzzy search may retrieve terms with similar spellings: cuoc cach ky nang xa hoi. ((thien van) OR (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 cach ky nang xa hoi. ((thien van) OR (thi van)) cham ((truc va) OR (thuc dan)) dinh dau cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "cuoc cach ky nang xa hoi. ((thien van) OR (thi van)) cham ((truc va) or (thuc dan)) dinh dau cua te".
• Adding a wildcard symbol may retrieve word variants: cuoc cach ky nang xa hoi. ((thien van) OR (thi van)) cham ((truc va) or (thuc dan)) dinh dau cua te*.