Perhaps you should try some spelling variations:
nam thuc » nam thuoc, am thuc, nam thu
va triet » va thiet, va trien, ve triet
hoc sai » hoc dai, hoc bai, hoc tai
nang xa » nang x, lang xa, nang ma
hieu ve » hieu va, hieu van
thuc va » thuc vat, thuc dan, thuc day
dan vai » dan va, dan tai, dan vat
dan thi » dang thi, tran thi, dinh thi
van tai » von tai, van tuan
sai ky » sac ky
ve nam » he nam, va nam, le nam

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc sai ky nang xa hoi. hieu ve nam thuc va ((dan vai) or (((dan thi) or (van tai)))) va triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc sai ky nang xa hoi. hieu ve nam thuc va ((dan vai) OR (((dan thi) OR (van tai)))) va triet.
• Adding a wildcard symbol may retrieve word variants: hoc sai ky nang xa hoi. hieu ve nam thuc va ((dan vai) or (((dan thi) or (van tai)))) va triet*.