Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
qua cham » qua hai, qua cac, va cham
hanh dai » hanh tai, hanh dao, vanh dai
nang xa » nang x, lang xa, nang ma
duc ban » duc van, dua ban, duc man
vu sac » vu sach, vu san, va sac
sac ky » cac ky, sai ky

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

• Performing a fuzzy search may retrieve terms with similar spellings: vu sac ky nang xa hoi. hieu qua cham ((duc ban) OR (duc tan)) hanh dai cua triet~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "vu sac ky nang xa hoi. hieu qua cham ((duc ban) OR (duc tan)) hanh dai cua triet".
• Adding a wildcard symbol may retrieve word variants: vu sac ky nang xa hoi. hieu qua cham ((duc ban) OR (duc tan)) hanh dai cua triet*.