Perhaps you should try some spelling variations:
thi hanh » thi thanh
ba thanh » ban thanh, bac thanh, va thanh
thanh vi » hanh vi, thanh va, thanh ve
ky lang » ky nang, ky dang, ky tang
lang xa » lang ha, dang xay, lang van
thi van » thi lan, thi nang
cac toc » cac toi, cac nuoc, cac thoi
cua tre » cua te, cuu tre, cua triet
vu sac » vu sach, vu san, va sac
sac ky » cac ky, sai ky
toc ba » toc ta, toc pa
vi cua » vai cua, di cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: vu sac ky lang xa hoi. ((thi van) OR (thi hanh)) cac toc ba thanh vi cua tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "vu sac ky lang xa hoi. ((thi van) OR (thi hanh)) cac toc ba thanh vi cua tre".
• Adding a wildcard symbol may retrieve word variants: vu sac ky lang xa hoi. ((thi van) OR (thi hanh)) cac toc ba thanh vi cua tre*.