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

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 (thuy san)) ky nang ro lai. hieu ve 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 (thuy san)) ky nang ro lai. hieu ve cac luc van hanh thai ((cua tre) OR (cua triet)).
• Adding a wildcard symbol may retrieve word variants: ((tu bat) or (thuy san)) ky nang ro lai. hieu ve cac luc van hanh thai ((cua tre) or (cua triet))*.