Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
vanh dai » van dai, vanh tai, lanh dao
hieu va » lieu va, hieu qua
va cham » va chat, va tham
va vanh » va van, va danh, va hanh
tu san » thu san, tu ban, tu can
san ky » sang ky, van ky, dan ky
soc va » hoc va, loc va, doc va
cua tu » cua tuc, cua su, cua te
cua cu » cua chu, cua cau, cua su
x hoi » xa hoi, o hoi, x ho

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu san ky nang x hoi. hieu va cham soc va vanh dai ((cua triet) or (((cua tu) or (cua cu))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu san ky nang x hoi. hieu va cham soc va vanh dai ((cua triet) OR (((cua tu) OR (cua cu)))).
• Adding a wildcard symbol may retrieve word variants: tu san ky nang x hoi. hieu va cham soc va vanh dai ((cua triet) or (((cua tu) or (cua cu))))*.