Perhaps you should try some spelling variations:
vien cac » vien bach, vien dai, vien da
dinh dai » dinh dat, sinh dai, dinh dao
sinh ky » sinh ly, sinh y, kinh ky
nang xa » nang x, lang xa, nang ma
va dinh » van dinh, va kinh, va tinh
cua tre » cua te, cuu tre, cua triet
ve cac » va cac
thu va » thuc va, thue va, tu va

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc sinh ky nang xa hoi. hieu ((ve cac) OR (vien cac)) thu va dinh dai cua tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc sinh ky nang xa hoi. hieu ((ve cac) OR (vien cac)) thu va dinh dai cua tre".
• Adding a wildcard symbol may retrieve word variants: hoc sinh ky nang xa hoi. hieu ((ve cac) OR (vien cac)) thu va dinh dai cua tre*.