Perhaps you should try some spelling variations:
than cua » nhan cua, ban cua, gian cua
thai cua » tai cuc, tri cua, dai cua
van hanh » van thanh, ban hanh, van anh
hieu van » hieu va, thien van, lieu va
hac xuc » chat xuc
xuc van » duc van, luc van, vuc van
van hac » van hoc, van ha, van hai
thu san » thuy san, thu ban, phu san
nang o » nang co, nang ho, nang ro
tu sac » tu sach, tu cac, tu san
o lai » o lao

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 (thu san)) ky nang o lai. hieu van hac xuc van hanh ((thai cua) or (than cua)) tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sac) OR (thu san)) ky nang o lai. hieu van hac xuc van hanh ((thai cua) OR (than cua)) tre.
• Adding a wildcard symbol may retrieve word variants: ((tu sac) or (thu san)) ky nang o lai. hieu van hac xuc van hanh ((thai cua) or (than cua)) tre*.