Perhaps you should try some spelling variations:
tan thanh » tran thanh, tang thanh, toan thanh
thanh lap » thanh san, phan lap, thanh hai
thu sach » tu sach, thuat sach, thuoc sach
mang xa » lang xa, mang may, dang xay
lap cua » lai cua, tap cua, lam cua
sach ky » sac ky, sach y, sach ty
ve cac » va cac, vien cac
ve cao » va cao, ve bao, ve co
cua te » cua tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: thu sach ky ((mang xa) or (nang x)) hoi. hieu ((ve cao) OR (ve cac)) duc tan thanh lap cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu sach ky ((mang xa) OR (nang x)) hoi. hieu ((ve cao) OR (ve cac)) duc tan thanh lap cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thu sach ky ((mang xa) or (nang x)) hoi. hieu ((ve cao) OR (ve cac)) duc tan thanh lap cua te".
• Adding a wildcard symbol may retrieve word variants: thu sach ky ((mang xa) or (nang x)) hoi. hieu ((ve cao) OR (ve cac)) duc tan thanh lap cua te*.