Perhaps you should try some spelling variations:
vien cac » vien dai, vien da, gian cac
thu dan » thuc dan, thu dang, thu ban
nang xa » nang x, lang xa, nang ma
va hanh » van hanh, va thanh, va danh
hanh di » hanh vi, hanh de, hang di
cua tuc » cua duc, cua tu, cua thuoc
dan ky » van ky
di cua » dai cua, doi cua, de cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: thu dan ky nang xa hoi. hieu ((vien cac) or (vien bach)) duc va hanh di cua tuc~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu dan ky nang xa hoi. hieu ((vien cac) OR (vien bach)) duc va hanh di cua tuc.
• Adding a wildcard symbol may retrieve word variants: thu dan ky nang xa hoi. hieu ((vien cac) or (vien bach)) duc va hanh di cua tuc*.