Perhaps you should try some spelling variations:
thanh vi » hanh vi, thanh va, thanh ve
va thanh » gia thanh, ban thanh, va tinh
cuu tre » cau tren, cau treo
cac loc » cac lop, cac toc, cac hoc
mang xa » lang xa, mang may, dang xay
cua tre » cua te, cua triet, dua tren
lang ha » long ha
hieu ve » hieu va, hieu van
te sac » te sach, te cac, te san
loc va » hoc va, luc va
sac ky » cac ky, sai ky
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: te sac ky ((mang xa) or (lang ha)) hoi. hieu ve cac loc va thanh vi ((cua tre) or (cuu tre))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sac ky ((mang xa) OR (lang ha)) hoi. hieu ve cac loc va thanh vi ((cua tre) OR (cuu tre)).
• Adding a wildcard symbol may retrieve word variants: te sac ky ((mang xa) or (lang ha)) hoi. hieu ve cac loc va thanh vi ((cua tre) or (cuu tre))*.