Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
hanh thai » nhanh thai, hinh thai, hanh tai
van hanh » van thanh, ban hanh, van anh
hieu van » hieu va, thien van, lieu va
cac luc » cau luc, coc luc, cac nuoc
cua tre » cua te, cuu tre, dua tren
luc van » luoc van, luu van, duc van
van cac » van hac, van cau, van bac
nang ro » nang co, nang ho, nang ra
thu san » thuy san, thu ban, phu san
ro lai » o lai, ho lai, ru lai
tu bat » tu ban, tu dat

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((tu bat) or (thu san)) ky nang ro lai. hieu van cac luc van hanh thai ((cua tre) or (cua triet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu bat) OR (thu san)) ky nang ro lai. hieu van cac luc van hanh thai ((cua tre) OR (cua triet)).
• Adding a wildcard symbol may retrieve word variants: ((tu bat) or (thu san)) ky nang ro lai. hieu van cac luc van hanh thai ((cua tre) or (cua triet))*.