Perhaps you should try some spelling variations:
danh thanh » dinh thanh, dang thanh, nhanh thanh
thanh tai » thanh hai, thanh toan, doanh tai
suc danh » suc manh, suc canh, sach danh
sach ky » sac ky, sach y, sach kem
cuc tre » duc tre, cua tre, cuu tre
lang xa » lang ha, dang xay, lang van
sach ty » sach y, sach tu, sach thu
ve cac » va cac, vien cac
ve cam » ve cham, va cam, ve 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 ((sach ky) OR (sach ty)) lang xa hoi. hieu ((ve cam) or (ve cac)) suc danh thanh tai cuc tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((sach ky) OR (sach ty)) lang xa hoi. hieu ((ve cam) OR (ve cac)) suc danh thanh tai cuc tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu ((sach ky) OR (sach ty)) lang xa hoi. hieu ((ve cam) or (ve cac)) suc danh thanh tai cuc tre".
• Adding a wildcard symbol may retrieve word variants: tu ((sach ky) OR (sach ty)) lang xa hoi. hieu ((ve cam) or (ve cac)) suc danh thanh tai cuc tre*.