Perhaps you should try some spelling variations:
thanh dat » thanh san, thanh hai, thanh van
ve triet » va trien, su triet
de triet » de thiet, su triet, de viet
xa thanh » va thanh, ha thanh, ta thanh
va cham » va chat, va tham
tu sach » thu sach, su sach, te sach
sach ky » sac ky, sach y, sach ty
ve chim » va chim, ve cham, ve chinh
lang ha » long ha
ky lang » ky nang, ky dang, ky tang
ha hoi » hoa hoi, ha noi, xa hoi

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 lang ha hoi. hieu ((ve chim) or (va cham)) tuc xa thanh dat ((de triet) or (ve triet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ky lang ha hoi. hieu ((ve chim) OR (va cham)) tuc xa thanh dat ((de triet) OR (ve triet)).
• Adding a wildcard symbol may retrieve word variants: tu sach ky lang ha hoi. hieu ((ve chim) or (va cham)) tuc xa thanh dat ((de triet) or (ve triet))*.