Perhaps you should try some spelling variations:
dang hanh » dang thanh, ban hanh, dang van
thai cua » than cua, tai cuc, dai cua
duc dang » duc dung, duc dong, duc bang
cac duc » cac du, cao duc, cac dac
hieu ve » hieu va, hieu van
nang co » nang cao, nang doc, nang noi
ve cac » va cac, vien cac
co dai » co dan, do dai
tu san » thu san, tu ban, tu can
tu sac » tu sach, tu cac, tu bac

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((tu sac) or (tu san)) ky nang co dai. hieu ve cac duc dang hanh ((thai cua) or (tri cua)) tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sac) OR (tu san)) ky nang co dai. hieu ve cac duc dang hanh ((thai cua) OR (tri cua)) tre.
• Adding a wildcard symbol may retrieve word variants: ((tu sac) or (tu san)) ky nang co dai. hieu ve cac duc dang hanh ((thai cua) or (tri cua)) tre*.