Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
thanh tai » thanh hai, thanh toan, doanh tai
van thanh » ban thanh, van tuan
cua tre » cua te, cuu tre, dua tren
xuc van » duc van, luc van, vuc van
te sach » toc sach
sach ky » sac ky, sach y, sach ty
nang ro » nang co, nang ho, nang ra
ve cac » vien cac
ro hai » co hai, o hai, so hai

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sach ky nang ro hai. hieu ((ve cac) or (va cac)) xuc van thanh tai ((cua tre) or (cua triet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ky nang ro hai. hieu ((ve cac) OR (va cac)) xuc van thanh tai ((cua tre) OR (cua triet)).
• Adding a wildcard symbol may retrieve word variants: te sach ky nang ro hai. hieu ((ve cac) or (va cac)) xuc van thanh tai ((cua tre) or (cua triet))*.