Perhaps you should try some spelling variations:
phan dau » phan tu, hang dau
va hanh » van hanh, va thanh, va danh
van cau » van dau, van hau, van chat
sach ky » sac ky, sach y, sach ty
te sach » toc sach
lang xa » lang ha, dang xay, lang van
nang ma » tang ma, sang ma, nang cao
cuu tre » cua tre, cau tren, cau treo
vi cuu » vi luu, vinh cuu

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 ((lang xa) or (nang ma)) hoi. hieu ((van cau) or (phan dau)) duc va hanh vi cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ky ((lang xa) OR (nang ma)) hoi. hieu ((van cau) OR (phan dau)) duc va hanh vi cuu tre.
• Adding a wildcard symbol may retrieve word variants: te sach ky ((lang xa) or (nang ma)) hoi. hieu ((van cau) or (phan dau)) duc va hanh vi cuu tre*.