Perhaps you should try some spelling variations:
thanh lap » thanh san, phan lap, thanh hai
thuc van » thuc vat, thuc dan, thuc va
su sach » so sach, vu sach
lap cua » lai cua, tap cua, lam cua
xuc van » duc van, luc van, vuc van
va cham » va chat, va tham
sach ky » sac ky, sach y, sach ty
hieu va » lieu va, hieu qua
nang ma » tang ma, sang ma, nang cao
nang xa » nang x, lang xa, mang xa
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: su sach ky ((nang xa) OR (nang ma)) hoi. hieu va cham ((xuc van) or (thuc van)) thanh lap cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ky ((nang xa) OR (nang ma)) hoi. hieu va cham ((xuc van) OR (thuc van)) thanh lap cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach ky ((nang xa) OR (nang ma)) hoi. hieu va cham ((xuc van) or (thuc van)) thanh lap cua te".
• Adding a wildcard symbol may retrieve word variants: su sach ky ((nang xa) OR (nang ma)) hoi. hieu va cham ((xuc van) or (thuc van)) thanh lap cua te*.