Perhaps you should try some spelling variations:
tan thanh » tran thanh, tang thanh, toan thanh
tang van » dang van, hoang van, trong van
thanh vi » hanh vi, thanh va, thanh ve
cham duc » pham duc, cham soc, pham duy
ve cham » va cham, ve chat, vu cham
hieu ve » hieu va, hieu van
cua tre » cua te, cuu tre, cua triet
lang xa » dang xay, lang van
lang ha » long ha
sai ky » sac ky
vi cua » vai cua, di cua
tu sai » tu bai, tu san, tu cai

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sai ky ((((lang xa) OR (lang ha))) or (tang van)) hoi. hieu ve cham duc tan thanh vi cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sai ky ((((lang xa) OR (lang ha))) OR (tang van)) hoi. hieu ve cham duc tan thanh vi cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sai ky ((((lang xa) OR (lang ha))) or (tang van)) hoi. hieu ve cham duc tan thanh vi cua tre".
• Adding a wildcard symbol may retrieve word variants: tu sai ky ((((lang xa) OR (lang ha))) or (tang van)) hoi. hieu ve cham duc tan thanh vi cua tre*.